资源简介

Unit 1Water
Exercise 1 ( Viewing and listening )
I. Listen to the sentences and circle the words you hear.
A.real B. really C. rare
A. million B. billion C. trillion
A. safe B. safely C. save
A. west B. rest C. best
A.rock B. dock C.lock
I. Listen and choose the right picture.
III. Listen to the passage and complete the sentences. Fill in each blank with no more than three words.
1. We can live with no water for only__________.
2.Water can__________our bodies and keep us healthy.
3. After playing outside or running around,drinking water__________and makes us feel good.
4. It is advised that most of us drink__________of water every day.
5. It is helpful to drink a glass of water, after getting up or one hour__________.
IV. Choose the best answer.
Which of the following underlined parts is different in pronunciation from the others
A. manage B. safely C. factory D. satisfy
Water covers a large proportion of________Earth's surface.
A. a B. an C.the D. /
The mountain is covered________snow all year round.
A. from B. in C. with D.at
Kate gave her friends some cookies and kept ________for herself.
A. the rest B. the other C. another D. others
Tom forgot to turn off the tap,________the water running all night.
A. left B. leaves C. to leave D. leaving
V. Complete the sentences with the given words in their proper forms.
The big ________ are trying to stay alive by cutting costs. ( factory )
The soup was so________that it made her thirsty. ( salt)
We are warned that this area is________ and dangerous to enter. ( pollution)
I am busy these days and ________have time to read a newspaper.( rare)
Luckily, all passengers escaped from the burning bus ________. ( safe )
VI. Rewrite the following sentences as required.
Anna needs to work on weekends to finish the task. (改为否定句)
Anna________ ________ to work on weekends to finish the task.
Only 3% of the Earth's water can be used for drinking.(对画线部分提问)
________ ________ of the Earth's water can be used for drinking
Parents take pride in their daughter's admission to Peking University.(保持句义不变)
Parents are ________ ________their daughter's admission to Peking University.
drinking water, there, enough safe, on the Earth, isn't, for humans (连词成句)
________________________________________________________________________
VII.Read and choose.
In our life, we may use water unreasonably. Let's take flushing (冲) toilets for example. Every day, huge amounts of clean fresh water are used to flush away human waste. This doesn't seem like the wisest use of our limited fresh water, does it
Some people are already rethinking such practices. They are looking for smarter ways to use water. I recently visited Jenfelder Au, a new neighborhood in Hamburg, Germany, with an experimental wastewater reuse project. His new system separates wastewater into three streams to be reused locally.
Rainwater is collected to water the gardens. “Gray water”from kitchen and bathroom sinks is used to flush toilets. And “black water” from toilets is sent to a local treatment plant to be turned into biogas(沼气).The system reduces water use by 30 percent and produces electricity for hundreds of homes.
Still, Dr. Upmanu Lall, a water treatment expert from the U.S. , holds a strong belief that more and more water will be saved. “We update our homes and cities every 10 to 15 years. We can make use of this cycle and encourage people to try new water technologies. Over time, more and more people will start using water wisely. ”
What is one example of “such practices” in Para 3 in the article
A. Recycling wastewater for drinking.
B. Not making use of people's sweat and urine.
C.Flushing human waste using fresh, clean water.
D. Sending wastewater to faraway treatment plants.
According to Jenfelder Au, people use__________to water the gardens.
rainwater B. seawater
C. water from local rivers D. water from kitchen sinks
Dr. Upmanu Lall's attitude towards the new water technologies is __________.
A. curious B. supportive C. doubtful D. uncertain
By writing this article, the author advises more and more people to __________t.
A. rethink how they use water B. read Dune or watch the film
C. visit Jenfelder Au in Germany D. recycle wastewater for drinking
Keys:
I:CBABC II:ADEB III:about three days;dust off;cools us down;eight glasses;before meals
IV:BCCAD V:factories;salty;polluted;rarely;safely
VI:doesn’t need;How much;proud of;There isn’t enough drinking water for humans on the earth.
VII:CABA
Exercise 2 ( speaking )
I. Choose the best answer.
--Betty locks sad. Shall we do something to cheer her up
--. __________Let's tell her some jokes first.
A. You're welcome B. Not at all
C. With pleasure D. Sounds great
--What about going hiking this weekend, Tom -- __________.
A. Have a wonderful time B. I'm afraid I need to do the project first
C. Sorry, I can manage it by myself D. Thank you all the same
--I think that we should take immediate action to save water. --__________.
A. I couldn't agree more B. That's all right
C. It's a pleasure D. I'd love to
plete the blanks with suitable sentences according to the context.
A. I'm sure you can learn something B. I'm afraid I can't finish the task on time C. How can we get there D. I can't wait to go now! E. How about joining me for an art show
A: Hello, Jenny! What are you doing
B: I'm drawing a picture. You know I'm in the art club. Our art teacher wants us to draw some pictures for the school art show. But (1)________because it's really difficult for me. I think about it for a long time, but I still don't know what to draw.
A: So that's a problem you should solve. (2)________There's a great one these days. B: Really Where is the show
A: It's in Shanghai Art Museum. There are different kinds of art works from all over the world.
(3)________after you watch the show. B: Yeah, I think so. Let's go! A: When shall we start to go
B: But I have to do the dishes first. My parents leave them on the table before they go for a walk. A: Oh, really Your parents are strict with you, but it's good for you to help to do some housework.
I can help you.
B: Thanks. Is the park far from here (4)________
A: It's not far, only about four to five kilometers away. Either riding a bike or taking the bus is OK.
If we take a bus, the ride takes about twenty minutes.
B: e to help me, please!(5)________
plete the following passage with the words or phrases in the box. Each can only be used once.
A. importantly B. underground C. temperature D. heating E. wells F. including
The world is in great need of fresh water. About 97% of water on the Earth is salt water. Man can only drink or use the rest which comes from rivers, lakes and the____1____. Then what can we do about it Scientists have found some ways to turn salt water into fresh water. One important way is to boil sea water at a high ____2____ . In this way, we can make a lot of fresh water. But it often costs too much. And ____3____is not the only way to get fresh water. People also have other ways, such as digging deep____4____, keeping rainwater and protecting rivers from being polluted.
Which way is better I think to get the most fresh water with the least money is the best. And most ____5____ ,everyone should take part in saving water. And it's not difficult. We should just try not to waste any water in our everyday life.
________ 2.________ 3.________ 4.________ 5.________
IV. Rewrite the following sentences as required.
The tour included a visit to the Science Museum.(改为否定句)
The tour________ ________a visit to the Science Museum.
We can save water by taking shorter showers in life. (对画线部分提问)
________ ________you save water in life
If you read more books, your knowledge will become wider.(保持句义不变)
________ ________books you read,________ ________your knowledge will become.
more energy and chemicals, the problem, for water treatment, is that, are needed(连词成句)
________________________________________________________________________
V. Choose the best answer and complete the passage.
Leisa Elliott has the world's ugliest lawn (草坪)，but she's happy about it.
Elliott lives in a small town in New Zealand. The lawn at her home is patchy (斑驳的) and has been sunburned in different parts. Elliott doesn't look after her lawn. “ Mother Nature does the____1____here, " she says.
Her lawn has now won the World's Ugliest Lawn competition, which began in 2023 in Gotland, Sweden. Gotland is very____2____water, and water shortage is a growing problem around the world. The competition was created as a way to encourage people to pay attention to the problem of water shortage, and save water. “Her lawn may not win beauty competitions, but it wins____3____because it teaches us to care for nature,” the organizers said of Elliott's lawn.
The town Elliott lives in doesn't get much rain, but she says that when it rains, her lawn changes a lot and it is so lovely. She ____4____ that a lot of birds and other animals visit her lawn, playing and cleaning themselves in its pond.
Mimmi Gibson, who helps organize the competition, says it was difficult to pick a winner this year. “I mean, they're all so bad," she says. She hopes the competition will help people think differently about the small things they can do to save water. “It's not just a fun thing. It's____ 5____ saving water, " she says.
A. cleaning B.discoveries C. washing D. watering
A. full of B. short of C. proud of D. tired of
A. prizes B. treatments C. hearts D. matches
A. spreads B. raises C. agrees D.adds
A. actually B. carefully C. safely D. naturally
Keys:
I:DBA II:BEACD III:BCDEA
IV:didn’t include;How can;The more,the wider;
The problem is that more energy and chemicals are needed for water treatment.
V.DBCDA
Exercise 3 (Reading I)
I. Choose the best answer.
1. Which of the following underlined parts is different in pronunciation from the others
A. beyond B. desert C. precious D. step
2. Mike is speaking on __________ end of the line by phone.
A. another B. the other C. others D. other
3. Nicholas __________ to visit his parents this morning.
A. set up B. put up C. set off D. put off
4. __________rainwater, you need to wait for heavy rain and set up a collection system.
A. Collecting B. Collected C. Collect D. To collect
5. We listened to the teacher carefully, __________ to understand.
A. tried B. to try C. trying D. to trying
plete the following passage with the words or phrases in the box. Each can only be used once.
A.aware B.influenced C.limited D.nature E.certainly F. appear
Most people use more water than they need without even thinking about it. Since more than 70% of the Earth is covered by water, some might wonder, “ Does it really matter if I just use a bit more ” It ___1___ does.
An article in New York Times suggests that the Colorado River has been in a drought since 2000. The animals, the weather, and even the Salton Sea next to it are all seriously ___2___. Farmers have been forced to cut their water use. This means they will provide fewer fruits and vegetables. Many fishes are also killed. The drought did ___3___ because of poorly engineered waterways, and the large amount of water humans used daily. Even historic amounts of rain in the pas few months did not put an end to it.
We ask more from ___4___. Because of human population growth, it is hard for us to keep, let alone lower our water usage. However, we should be ___5___ of how much we are using and try to cut down on it.
__________ 2. __________ 3. __________ 4. __________ 5. __________
plete the sentences with the given words in their proper forms.
1. I __________ understand your concerns, and I'm here to help you deal with them. (full)
2. We must be careful with the __________ in the lab. (chemistry)
3. Our team __________ carefully before the basketball match yesterday. (preparation)
4. The new product __________ will end on time at 5 p.m. today. (present)
5. My keys always __________ when I need them most. (appear)
IV. Rewrite the following sentences as required.
1. May used to go jogging in the community every morning. (改为否定句)
May __________ __________ to go jogging in the community every morning.
The driver almost dried up because of the climate. (改为一般疑问句)
__________ the river almost __________ up because of the climate
Tom practices the piano every day to improve his skills. (对画线部分提问)
__________ __________ Tom practice the piano every day
We'd better start a journey for the station immediately. (保持句义不变)
We'd better __________ __________ for the station immediately.
5. so precious, is, waste any, water, we shouldn't, that, in life (连词成句)
________________________________________________________________
V. Answer the following questions.
Artificial intelligence (AI) is changing how we manage water. Al helps us use water smartly and keeps it safe.
In water management, Al helps us guess how much water people will need. For example, if a city is facing a hot summer, Al can guess that people will use more water for their gardens and pools. AI can make well guess about future water needs by looking at past information, such as weather changes and how much water people used before. This helps water workers plan better and use water carefully.
Al also helps find leaks in water pipes. Take a small hole in a pipe under the street for example. Al can find it with special tools to stop the water running out. Fixing leaks quickly is important because it saves water and money. For example, Shanghai uses Al to find leaks and saves a lot of water every year.
Al is helpful in another way by checking water quality. Al can test water samples (样品) to see if the water is clean or harmful. This helps make sure that drinking water is safe for everyone. A town can use Al to check its drinking water every day to make sure it is clean.
However, there are some problems with using Al in water management. It can be costly to set up, and workers need training to use these systems. It is also very important to keep water data (数据) safe from bad people.
As Al gets better, it can help us manage water more effectively. With good planning, Al can make water use smarter and safer for the future.
Al helps us use water in a smart way , doesn't it
_______________________________________________________________________________________
How can Al help us manage water
_______________________________________________________________________________________
How does the writer develop Paragraph 2 and 3
_______________________________________________________________________________________
What problems does using Al in water management meet
_______________________________________________________________________________________
What is the writer's attitude towards Al in water management
_______________________________________________________________________________________
Exercise 4 (Reading II)
I. Choose the best answer.
1. Which of the following underlined parts is different in pronunciation from the others
A. shut B. muddy C. fully D. rubber
2. My American friend is learning to eat __________ chopsticks.
A. in B. on C. with D. from
3. I need __________ two days to prepare the documents.
A. another B. other C. others D. the other
4. Kate__________ yoga every morning to start her day with peace.
A. is used to do B. used to do C. uses to do D. used to doing
5. The weather forecast predicted rain, __________ we canceled the picnic.
A. if B. because C. though D. so
plete the following passage with the words or phrases in the box. Each can only be used once.
A. Directly B. develop C.drop D. fully E. even F. collecting
Water is the gift from nature. No water, no lives. But there isn't enough water on the Earth. So people around the world are trying their best to save water.
Singapore is a very small island. People there are very good at ___1___ rainwater. And they use rain water in different ways. Japan is a small island, too. To save water, people there reuse water very often. They ___2___ build special pipes to make the dirty water clean enough for washing or cleaning. In Australia, there are laws about using water. For example, people can only water gardens in the morning. People there also use a special kind of tap to save water. What's more, when washing cars, they can not throw water onto the car ___3___. They must clean the car with a piece of cloth. We have a special time to promote the importance of water.
In China, we also have our own ways. March 22nd is World Water Day. We turn it into Water Week from March 22nd to 28th. It helps people ___4___ a good habit of saving water.
Every ___5___ of water counts. Let's work together and make a difference to the world.
__________ 2. __________ 3. __________ 4. __________ 5. __________
plete the sentences with the given words in their proper forms.
1. There are ten people in this office __________ me. (include)
2. The same water was reused after chemical __________. (treat)
3. The book I borrowed turned out to be __________ and I couldn't finish it. (bore)
4. The stars twinkle __________ on clear nights. (bright)
5. The director __________ Anna's acting talent during a school play. (cover)
IV. Rewrite the following sentences as required.
1. The company placed much money in the foreign countries.(改为否定句)
The company __________ __________ much money in the foreign countries.
The boy shouldered a basket of fruit in the market.(改为一般疑问句)
__________ the boy __________ a basket of fruit in the market
He heats the water over fire to make it safe for drinking. (对画线部分提问)
__________ __________ he heat the water over fire
Little John often played chess with his grandpa in the past.(保持句义不变)
Little John __________ __________ play chess with his grandpa.
5. it is, I, to the nearby rock, when, full, take the pot(连词成句)
_________________________________________________________-
V. Read the passage and complete the tasks.
Built over 2,200 years ago in the Qin Dynasty, the Dujiangyan Irrigation System (都江堰水利工程) is one of the oldest and most famous water projects in the world. In ancient times, the Min River often flooded. In order to make better use of the river water and solve the problem of floods and droughts (干旱), the Dujiangyan Irrigation System was built in 256 BC, which was designed by ancient Chinese engineer Li Bing.
The system divides the Min River into two parts: the inner part and the outerpart, which play different roles in dry and rainy seasons. During dry seasons, 60% of the river water runs into the inner part to water farms. In rainy seasons, the outer part carries 60% of the water, protecting the Chengdu Plain against floods. By changing the river way, the system cleverly controls the water. However, as water keeps running through, it leaves behind — lots of silt (淤泥). So, it's necessary to dig and clean the riverbed every year. When Dujiangyan was first built, Li Bing put Shima (stone horse) in the riverbed. It served as a ruler and told people how deep to dig when cleaning the riverbed.
In Ming Dynasty, the first Wotie (lying iron stick) appeared and took the place of Shima. In dry seasons, people cleaned away part of the earth and sand from the riverbed. When they dug down and reached the Wotie, they knew they could stop.
The tradition of digging the riverbed has been lasting for over 2,000 years. People continued to repair Dujiangyan, and new Woties were placed in the riverbed. Today, four Woties lie side by side underwater, which were made in different ages from Ming Dynasty to the new China. Although workers have better tools now, ___________.
Task 1: Answer the questions.
Why was the Dujiangyan Irrigation System built
_______________________________________________________________________________________
Which part of the system plays an important role in rainy seasons
_______________________________________________________________________________________
How does the system take control of the water in the Min River
_______________________________________________________________________________________
What is the function of Shima
_______________________________________________________________________________________
How long has the tradition of digging the riverbed been lasting
_______________________________________________________________________________________
Task 2:
Complete the missing part in the last paragraph with about 30 words.
_______________________________________________________________________________________ _______________________________________________________________________________________
_______________________________________________________________________________________
Keys:
Ex3
ABCDC
EBFDA
fully, chemicals, prepared, presentation, disappear
didn’t use, Did dry, Why does, set off/out
Water is so precious that we shouldn't waste any in life.
1.Yes, it does.
2.By guessing water needs, finding leaks and checking water quality.
3.By giving examples.
4.The high cost, workers' training and water data safety.
5.Positive.
Ex4
CCABD
FEABC
including, treatment, boring, brightly, discovered
didn’t place, Did shoulder, Why does, used to
I take the pot to the nearby rock when it is full.
1.To make better use of the river water and solve the problem of floods and droughts.
2.The outer part.
3.By changing the river way.
4.It served as a ruler and told people how deep to dig when cleaning the riverbed.
5.For over 2,000 years.
6.these iron sticks are still powerful symbols of ancient wisdom. They carry ancient people's messages through over 2, 000 years, which are passed down to modern and future generations.
Exercise 5（Grammar）
I. Underline the adverbial clauses of time in the following sentences.
1. __________________________________________, many people go out for a walk.
2. __________________________________________, it started to rain.
3. Mother sometimes prepares dinner __________________________________________.
4. Don’t make any noise __________________________________________.
5. __________________________________________, my father gives thanks for the food.
6. I will wait __________________________________________.
II. Choose the best answer.
1. __________ I go to sleep, I like to read some science fiction stories.
A. When B. While C. Before D. After
2. __________ John was watching TV, his mother was cooking.
A. Before B. As soon as C. While D. Since
3. I was walking along the street __________ I heard a cry from behind.
A. when B. before C. while D. if
4. Sometimes I don’t get home __________ very late because of the project.
A. after B. before C. until D. when
5. John felt better __________ he took the medicine.
A. if B. until C. before D. after
6. He has studied very hard __________ he came to our class.
A. when B. since C. after D. as
7. --- What can we do to save water
--- Well, for example, we can save water by turning of the tap __________ washing our hands.
A. before B. until C. after D. while
8. --- Shall we go now
--- No. The lights are red. Please wait __________ they turn green.
A. because B. until C. if D. though
9. I was sleeping soundly that night __________ a terrible shaking woke me up.
A. before B. after C. while D. when
10. --- Excuse me, could you tell me how to get to the nearest bank
--- Go down this road __________ you get to a school, and then turn left.
A. since B. while C. until D. after
11. It’s much easier for us to become friends __________ we share similar interests.
A. until B. when C. before D. after
12. --- What time will we have our meeting this afternoon
--- Well, the meeting will be put off __________ the new manager comes.
A. until B. though C. while D. if
13. Luckily, all people had run out of the building __________ it fell down.
A. until B. if C. before D. after
14. Mr. White has collected more than sixty Chinese paintings __________ he came to Shanghai five years ago.
A. since B. when C. before D. until
15. --- How can I improve my spoken English
--- You should practice it __________ you are comfortably speaking it.
A. since B. while C. until D. as soon as
Ⅲ. Fill in the blanks with the linking words of the adverbial clause of time.
1. We were waking on the road ____________ a car passed by and hit a tree.
2. ____________ I got home, my mother was cooking ____________ my father was watching TV.
3. You should turn off the lights ____________ you leave the room.
4. Tom thought his phone was broken ____________ his sister pointed out he forgot to turn it on.
5. ____________ Benny was reading a novel, someone knocked at the door.
6. I miss Jim so much. I haven’t seen him ____________ I moved house.
7. People don’t know the value of their health ____________ they lose it.
8. ____________ we got off the bus, we saw two men fighting against each other.
9. ____________ the meeting ended, they went out for a celebratory dinner.
10. Just ____________ she prepared to set off to the next village, two friends arrived in a taxi.
11. I won’t leave the school ____________ my homework is done.
12. We need to take action to save every drop of water ____________ it is too late.
13. Simon waited ____________ his parents came back last night.
14. Anna felt tired ____________ she ran for 10 kilometers.
15. Make sure that there are no mistakes in your papers ____________ you turn them in.
plete the passage with the linking words of the adverbial clause of time.
My Summer Vacation Routine
Every summer (1)____________ school closes, my family and I travel to our countryside cottage. At 6:30 each morning, roosters wake me (2)____________ my alarm rings. (3)____________ sunlight filters through the curtains, I help grandmother water her vegetable garden daily.
By 8:00 a. m., we always gather for breakfast on the porch where birds sing continuously. (4)____________ meals, I cycle to the village library three times weekly to borrow books. (5)____________ hot afternoons from 1:00 to 3:00, we nap under whirling ceiling fans.
In the late afternoon (6)____________ temperatures drop, neighbourhood children play soccer in the field behind our house. Sometimes at dusk, father takes us fishing by the river (7)____________ mosquitoes drive us home. (8)____________ bedtime at 9:30 p.m., we tell stories under starry skies that seem brighter here than in the city.
These summer days pass to quickly, yet their rhythm comforts me like grandmother’s lullabies.
Keys:
I. 1. When the sun sets 2. While we were playing outside 3. when she gets home from work 4. while my little sister was sleeping 5. Before we start eating 6. until you finish your homework
II. 1-5 CCACD 6-10 BCBDC 11-15 BACAC
III. 1. when 2. When, while 3. when/ before 4. until 5. While 6. since 7. until 8. When 9. After 10. as 11. until 12. before 13. until 14. after 15. before
IV. 1. when 2. before 3. When 4. After 5. During 6. when 7. until 8. Before
Exercise 6（Writing）
I. Choose the best answer.
Two -thirds of China’s cities now face water shortages. And about 300 million people living in the countryside drink unhealthy water.
The water shortage in the world looks even ___1___. By 2030, about half of the world population could be facing water shortages, said Ban Ki-moon at the Budapest Water Summit in Hungary.
Think about our children and our children’s children. We should try to make the world a better place. ___2___ with the problem, Ban calls on people to use water ___3___ a sustainable way. “Farmers should learn to get more ‘crop per drop’ by using good irrigation technologies(灌溉技术). And also, governments should deal with the problem with all other players, ___4___ everyone,” Ban said.
How can we help It’s simple: do not waste even ___5___ drop of water! For example, turn off the tap while you ___6___ your teeth, drink up bottled water before you throw the bottle away, and don’t pour out water that can be reused. If we can remember and follow this, we will make a difference.
1. A. sad B. sadder C. saddest
2. A. Dealing B. To deal C. Dealt
3. A. with B. at C. in
4. A. including B. included C. to include
5. A. a B. an C. the
6. A. brushed B. will brush C. are brushing
plete the sentences with the given words in their proper forms.
1. I plan to spend the next few ____________ improving my language skills. (month)
2. The beauty of ____________ in Jiuzhaigou attracts millions of visitors every year. (natural)
3. Gloves can offer enough ____________ against the cold and snow. (protect)
4. We are doing our best with the ____________ resources available. (limit)
5. The organization aims to raise the students’ ____________ of protecting trees. (aware)
III. Rewrite the following sentences as required.
1. Lucy put up a sign to ask for help. (改为否定句)
Lucy __________ __________ up a sign to ask for help.
2. Tom spread his arms wide to welcome the exchange students. (改为一般疑问句)
__________ Tom __________ his arms wide to welcome the exchange students
3. We should tell the teacher about the leak when the tap is dripping. (对划线部分提问)
__________ __________ ordinary people walk to work
4. To start with small actions to save water isn’t difficult for us. (保持句意不变)
__________ __________ for us to start with small actions to save water.
5. remember to, the tap, we should, soaping our hands, while, turn off (连词成句)
_____________________________________________________________________________.
IV. Write at least 60 words according to the given information. (请根据以下信息，写一篇不少于60个单词的短文，标点符号不占格)
假如你是光明中学的李华，请写一封节约水的倡议信，鼓励同学们在生活中，厉行节约，共同保护宝贵的水资源。
参考要点：
倡议的背景和目的；
节约水的方法或建议；
重申节水的重要性并号召大家采取行动。
Sample Writing.
(A层)
Dear fellow students,
Water is one of the most precious resources on the Earth. However, few students have the awareness of saving it in daily life. I suggest we take action now to save water.
Here’s what we can do ---- turn off the tap while brushing our teeth, take a shower instead of a bath, and report the dripping taps to our parents. Besides, we should also spread the ideas to people around us. For example, we can put up signs about saving water in the community.
Every drop of water counts! Let’s act now to ensure a sustainable future. Together, we can make a difference!
(B层)
Dear fellow students,
As we all know, water is the source of life, yet many parts of the world are facing severe water shortages. Here at Guangming Middle School, we should take the lead in conserving this precious resource. Simple actions like turning off taps completely, reporting leaks promptly, and reusing water whenever possible can make a difference.
In our daily life, we can adopt water-saving habits such as taking shorter showers, running dishwashers and washing machine only when they are full, and collecting rainwater for plants. These small changes, when practiced by all of us, will significantly reduce water waste.
Let’s work together to protect our planet’s water resources. Every drop counts, and every effort matters. Start today, and inspire others to join this important cause!
Building your vocabulary.
★ Little drops of water wear away a stone. (水滴石穿。)
★ Every drop counts, every effort matters. (滴水成河，聚力成渊。)
★ We never know the worth of water till the well is dry. (井干方知水珍贵。)
Keys:
I. 1-6 BBCAAC
II. 1. months 2. nature 3. protection 4. limited 5. awareness
III. 1. didn’t put 2. Did spread 3. When should 4. It’s easy 5. We should remember to turn off the tap while soaping our hands.
IV. B. building your vocabulary
severe adj. 严重的 conserve v. 保存；保护 promptly adv. 迅速地；立即地 reuse v. 再利用；重复使用 adopt v. 采用；采纳 significantly adv. 显著地；明显地 resource n. 资源
Exercise 7 （Revision）
Fill in the blanks with as required.
单词 中文释义（词性） 单词 中文释义（词性）
1. / f ktri/ 2. / b r /
3. / n klu d/ 4. /r s t /
5. / ɡri / 6. / dez t/
7. / ld (r)/ 8. / θ sti/
9. / l m t d/ 10. /spred/
11. /re z/ 12. / we n s/
13. / pre s/ 14. / f w d/
/ k n (r)/ 16. / k tn/
17. / tri tm nt/ 18. / kem k( )l/
19. /re (r)/ 20. / prez( )n te ( )n/
Write the words according to their grammatical forms.
__________________ n. 盐
__________________ adj. 咸的
__________________ adj. 满的
__________________ adv. 充分地
__________________ adj. 稀有的
__________________ adv. 稀有地
__________________ n. 渴
__________________ adj. 口渴的
__________________ v. 呈现
__________________ n. 展览会
__________________ v. 限制
__________________ adj. 有限的
__________________ n. 有用的
__________________ adj. 无用的
__________________ adj. 有意识的
__________________ n. 意识
__________________ adj. 令人厌烦的
__________________ adj. 感到无聊的
__________________ v. 节约
__________________ adv. 安全地
__________________ n. 化学
__________________ n. 化学物质
__________________ v. 准备
__________________ n. 准备
__________________ v. 处理
__________________ n. 处理
__________________ v. 出现
__________________ v. 消失
__________________ v. 同意
__________________ v. 不同意
__________________ n. 泥沙
__________________ adj. 泥泞的
__________________ adj. 直接的
__________________ adj. 间接的
__________________ n. 保护
__________________ v. 保护
__________________ adj. 小心的
__________________ adv. 小心地
__________________ adj. 寒冷的
__________________ adj. 冰冻的
Translate the phrases or sentences into English.
安全的饮用水
______________________________________
明亮地照耀
______________________________________
被……覆盖
______________________________________
保持我眼睛闭着
______________________________________
在地球上
______________________________________
每一滴水
______________________________________
分享一些新东西
______________________________________
被充分使用
______________________________________
包括更多的事实
______________________________________
安静地消失
______________________________________
立刻开始研究
______________________________________
传播某物给某人
______________________________________
拿起两个水壶
______________________________________
张贴标志
______________________________________
出发去某地
______________________________________
提升水保护的意识
______________________________________
再等两小时
______________________________________
目前、眼下
______________________________________
一块布
______________________________________
减少开销
______________________________________
越多的人用干净的水，它就变得越脏。The more people use clean water, ____________________________.
我建议我们现在行动去保护水。I suggest ______________________________________________________.
水是宝贵的，所以我们不应该浪费。Water is ___________________________________________________.
问题是我们用水越多，废水处理需要的能源和化学物质越多。The problem is, ___________________________________________________________________________________________.
这不但浪费能源，而且使饮用水更不安全。
This not only ________________________________________________________________________________.
我们应该包括更多的事实在我们的展示会里鼓励每个人去节约水。(include)
___________________________________________________________________________________________.
Think about the “Big Question” again and try to answer it by using what you have learned in this unit. Q: Why is water so important to us
______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
keys：
I.
factory 工厂 （n.) 2. boring 无聊的(adj.) 3. include 包括(v.) 4. research 研究(n.) 5. agree 同意（v.)
desert 沙漠(n.) 7. shoulder 肩膀(n.) 8. thirsty 口渴的(adj.) 9. limited 有限的(adj.) 10. spread 传播（v.) 11. raise 提高；筹集（v.) 12. awareness 意识； 认识（n.) 13. precious 珍贵的(adj.) 14. forward 向前（adv.) 15. corner 角落；拐角(n.) 16. cotton 棉花(n.) 17. treatment 治疗；处理(n.) 18. chemical 化学物质(n.) 19. rare 稀有的(adj.) 20. presentation 展示会；演示（n.)
II. 1. salt/salty 2. full/fully 3. rare/rarely 4. thirst/thirsty 5. present/presentation 6. limit/limited 7. useful/useless 8. aware/awareness 9. boring/bored 10. save/safely 11. chemistry/chemical 12. prepare/preparation 13. treat/treatment 14. appear/disappear 15. agree/disagree 16. mud/muddy 17. direct/indirect 18. protection/protect 19. careful/carefully 20. freezing/frozen
III. 1. safe drinking water 2. shine brightly 3. be covered with/by 4. keep my eyes closed 5. on the earth 6. every drop of water 7. share something new 8. be fully used 9. include more facts 10. disappear quietly 11. start research immediately 12. spread sth. to sb. 13. pick up two kettles 14. put up signs 15. leave for somewhere 16. raise awareness of water protection 17. wait another two hours 18. at present 19. a piece of cloth 20. reduce expenses 21. the dirtier it becomes 22. we take action to protect water now 23. precious, so we shouldn’t waste it 24. the more water we use 25. the more energy and chemicals are needed for wastewater treatment /wastes energy but also makes drinking water less safe 26. We should include more facts in our presentation to encourage everyone to save water.
IV. Water is essential for human survival as it is used in many bodily functions such as digestion, circulation and temperature-regulation. It is also crucial for various industries like agriculture, manufacturing and energy-production. Without water, life on earth would not be possible.

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