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外研版（2024）七年级英语下册 Unit 5 Amazing nature
单元基础必考滚动练
学校：______________ 班级：______________ 姓名：______________
【资料亮点】
同步单元考点，题型贴合考试，夯实基础重难点。
7天阶梯训练，由易到难，每天一练提升快。
题量标准好打印，可直接当作业，带完整解析。
Day 1 · 基础夯实
一、阅读理解（5小题，每题2分，共10分）
建议用时：8分钟 | 实际用时：____分钟 | 得分：____/10
答题要求：阅读短文，从每题所给A、B、C、D四个选项中选出最佳选项。
Zhangjiajie is a beautiful and famous city in the northwest of Hunan Province, China. It is very popular with tourists from all over the world because of its fantastic natural beauty. Every year, thousands of people come to visit this amazing place.
Zhangjiajie is well-known for its tall and special sandstone mountains. They look very different from common mountains. Some are so high that they reach into the clouds. Many people say they are just like the “floating mountains” in the famous movie Avatar. Besides the great mountains, there are also thick green forests, clean and quiet rivers, and wonderful waterfalls. The air here is clean and fresh, and the views around are like colourful paintings.
Zhangjiajie National Forest Park is the first national forest park in our country. It is big and beautiful. You can walk along the small roads, listen to the birds singing and enjoy the green trees. In 1991, China formally submitted an application (申请) to inscribe (列入) Wulingyuan Scenic Area as a World Natural Heritage. The year after that, the Wulingyuan Scenic Area became a World Natural Heritage. That makes it even more famous around the world.
Visitors can take photos, climb the mountains or take a cable car to see the sights from high up. Walking in Zhangjiajie makes people feel peaceful and delighted. It is a great place for people to get away from busy city life. If you love nature and beautiful views, Zhangjiajie is a wonderful place for you to visit.
( )1．Where is Zhangjiajie
A．In the southern part of Hunan. B．In the northwest part of Hunan.
C．In the northeast part of Hunan. D．In the western part of Hunan.
( )2．What is Zhangjiajie famous for
A．Delicious food. B．Old houses. C．Natural beauty. D．Busy shops.
( )3．When did Wulingyuan become a World Natural Heritage
A．In 1990. B．In 1992. C．In 1991. D．In 1993.
( )4．What does the underlined sentence “Walking in Zhangjiajie makes people feel peaceful and delighted” mean
A．People feel relaxed and glad. B．People feel easy and bored.
C．People feel afraid and sad. D．People feel calm and tired.
( )5．What is the passage mainly about
A．It tells a story about a trip to Hunan. B．It introduces the beauty of Zhangjiajie.
C．It teaches people how to go to Zhangjiajie. D．It talks about the history of Hunan.
二、完形填空（10小题，每题1分，共10分）
建议用时：9分钟 | 实际用时：____分钟 | 得分：____/10
答题要求：阅读短文，从每题所给A、B、C、D四个选项中选出可以填入空白处的最佳选项。
Hello, I’m Jack. I live in a small village near a 1 . Now let me tell you something about it. The water in the lake is really clear. It brings us a lot of fun and convenience (便利).
Some villagers often go to the lake to get water to 2 vegetables. They say the water from it makes the vegetables grow well. And some old people like to sit by the lake and chat with each other.
For children, the lake is like a big playground. In spring, when the weather is 3 , we often fly kites near it. The wind helps the kites fly high in the sky. In summer, although (尽管) it’s a bit 4 , we can always find some cool places under the trees by the lake.
There are also 5 kinds of plants around it. Some of them are flowers that make the place look really beautiful. And there are a few birds 6 in the trees. Their songs make the whole village more lively.
The lake is an important part of our 7 life. We use its water in many ways, and we also have a lot of fun around it. We all 8 how important it is for us. So we always try to 9 it clean. We won’t 10 rubbish into it or cut down the trees around it. We hope it can stay beautiful forever.
( )1．A．forest B．lake C．mountain D．street
( )2．A．water B．pick C．buy D．sell
( )3．A．cold B．rainy C．windy D．sunny
( )4．A．warm B．hot C．cool D．cold
( )5．A．many B．much C．few D．little
( )6．A．are singing B．sing C．dancing D．singing
( )7．A．hard B．interested C．daily D．special
( )8．A．forget B．know C．remember D．miss
( )9．A．keep B．let C．want D．have
( )10．A．put B．take C．throw D．bring
Day 2 · 巩固练习
一、完形填空（10小题，每题1分，共10分）
建议用时：9分钟 | 实际用时：____分钟 | 得分：____/10
答题要求：阅读短文，从每题所给A、B、C、D四个选项中选出可以填入空白处的最佳选项。
Hello, I am Lily. I live in a small town near a 1 . Let me 2 it to you. The water in the river is very clear. We use it to do many things so it’s 3 to us. Some people like to wash dirty clothes by the river. Some people use the water to 4 plants. Children have a lot of fun with the river, too. In summer, it’s very hot but the water in the river is 5 . So even it’s time for meals, children 6 play in the water and don’t want to leave. There are 7 kinds of fish in the river. I like catching them 8 I am swimming with my friends in the river. The river plays an important part in our 9 life. We all 10 the river. We will do everything we can to protect it.
( )1．A．ocean B．river C．lake D．coastline
( )2．A．to introduce B．introducing C．introduce D．introduces
( )3．A．important B．dirty C．short D．deep
( )4．A．collect B．wash C．provide D．grow
( )5．A．cold B．cool C．warm D．clear
( )6．A．never B．once C．still D．later
( )7．A．a few B．a little C．much D．few
( )8．A．and B．but C．when D．before
( )9．A．possible B．daily C．enough D．special
( )10．A．search B．count C．stay D．value
二、语法填空（10小题，每题1分，共10分）
建议用时：7分钟 | 实际用时：____分钟 | 得分：____/10
答题要求：阅读短文，在空白处填入一个适当的单词或括号内单词的正确形式。
Do you know Anji Bamboo Forest It is one of the largest natural bamboo 1． (forest) in China.
The forest is in Anji, Zhejiang. It is quite big and looks like 2． green sea from a distance (从远处), 3． it is also called Anji Bamboo Sea. There are all kinds 4． bamboos in the forest. Every year, 5． (visitor) from all around the world come here to enjoy the beautiful bamboo forest. It is easy to get to the forest by car from Hangzhou, Shanghai and Ningbo. And it 6． (take) about 1.5 to 4 hours. If you stay in Shanghai or Ningbo, you can take a train 7． (one) to Hangzhou and then take a car. That will save some time.
As one of the most popular places 8． (visit) during the summer holiday, the forest is always crowded (拥挤的) at this time of the year. So plan carefully before you visit it. Spring is also a good time to visit it, because you can 9． (taste) fresh bamboo shoots (竹笋).
Don’t forget 10． (pay) a visit to the bamboo museum. It is not far from Anji Bamboo Forest. It is a must-see for the lovers of bamboo history.
Day 3 · 重点提升
一、语法填空（10小题，每题1分，共10分）
建议用时：7分钟 | 实际用时：____分钟 | 得分：____/10
答题要求：阅读短文，在空白处填入一个适当的单词或括号内单词的正确形式。
The world 1． (be) full of amazing nature.
I live on the Qinghai-Tibet Plateau. The 2． (cloud) are white and soft. The sky is blue and it makes me feel 3． (calm). The grasslands are green. It is the colour of 4． (live). The plateau is 5． (quiet) than big cities. We have 6． (few) shops, but we have the best 7． (present) from nature.
I often keep a diary 8． (describe) the beauty of nature. But some natural wonders are 9． (disappear) now. We must try our best 10． (protect) them.
二、阅读理解（5小题，每题2分，共10分）
建议用时：8分钟 | 实际用时：____分钟 | 得分：____/10
答题要求：阅读短文，从每题所给A、B、C、D四个选项中选出最佳选项。
Animals are our good friends. Different animals have different living habits and living places. Pandas are very cute and they are the symbol of China. They mainly live in Sichuan, Shaanxi and Gansu. Pandas like eating bamboo best, and they eat bamboo for about 12 hours every day. They are quiet and shy animals, and they like to sleep in the trees in their free time.
Elephants are large and smart animals. They live in Africa and Asia. Elephants have long noses and big ears. They can help people do many things, such as carrying heavy things. Elephants like eating grass, leaves and fruit. They are friendly to people. But now many elephants are in danger because people cut down too many trees and kill them for their ivory.
Koalas are from Australia. They look very lovely with round faces and small noses. Koalas sleep most of the day. They usually sleep for more than 18 hours a day. They only get up at night to eat leaves. Koalas are very lazy but gentle. They hardly hurt people.
Tigers are strong and dangerous animals. They live in forests and mountains. Tigers are good at hunting small animals. They like living alone. Because of human activities, the number of tigers is becoming smaller and smaller.
Now many wild animals are in great danger. We must take action to protect them. We should stop cutting down forests and never buy things made of animals. Protecting animals is protecting ourselves.
( )1．What is the food of pandas
A．Grass. B．Bamboo. C．Leaves. D．Fruit.
( )2．Why are elephants in danger
A．Because they have no food. B．Because the weather is bad.
C．Because people cut down trees and kill them. D．Because other animals hurt them.
( )3．Which animal sleeps the longest time a day
A．Koalas. B．Pandas. C．Elephants. D．Tigers.
( )4．Which of the following is TRUE about tigers
A．They are friendly to people. B．They live in groups.
C．They are good at hunting. D．They only live in Asia.
( )5．What is the main idea of the passage
A．The living places of wild animals. B．Different kinds of animals and protection.
C．The food of different animals. D．The danger of all wild animals.
Day 4 · 能力进阶
一、补全对话（5小题，每题2分，共10分）
建议用时：5分钟 | 实际用时：____分钟 | 得分：____/10
答题要求：从方框内所给选项中选出最佳选项补全对话（有两项多余）。
A: Hi, Jane. Would you like to help protect the environment (保护环境)
B: I’d like to. 1．
A: Well, first you can start by turning off the lights when you leave a room.
B: Yes. That’s easy. 2． What’s next
A: Second, you can ride a bike. Don’t take a bus or a taxi if you don’t have to.
B: 3． What else
A: Third, try to recycle paper (回收纸张).
B: Mm... we have a lot of paper at home. Good idea.
A: Fourth, turn off the shower when you are not using it.
B: 4．
A: Yes, get wet, turn off the shower, put the shampoo (洗发水) in your hair and then turn on the shower and wash it out.
B: Yes, 5． We have to save water.
A．I think water is very important to us.
B．You mean when I have shampoo in my hair
C．But what can I do
D．Do you want to save water
E．That will save a lot of money, too!
F．That sounds interesting.
G．Sometimes I turn off the lights without thinking.
二、完形填空（10小题，每题1分，共10分）
建议用时：9分钟 | 实际用时：____分钟 | 得分：____/10
答题要求：阅读短文，从每题所给A、B、C、D四个选项中选出可以填入空白处的最佳选项。
I have a special friend named Leo. He is a sea turtle (海龟) and I first met him during a beach clean-up activity. When we found him, Leo was in 1 because of ocean pollution. His front leg was caught in a piece of plastic waste. He looked so 2 and tired. We carefully took the plastic off and took him to a marine (海洋的) center. The doctors said we found him in time, which 3 his life.
They took good care of him. He started to swim more actively and would come to the edge (边缘) when he saw me. The workers said he seemed to 4 my visits. After several weeks of care, Leo got much 5 . He swam around the pool and ate small fish happily. Each time, he swam to me quickly, as if to say 6 . I was glad that we could help him.
Last month, we took Leo back to the sea. We watched him swim away into the deep blue water. I felt a little 7 to say goodbye, but I knew he belonged to the ocean.
Now, I often think about Leo and the lesson he taught me—every small act of help 8 . His story has also 9 many of my classmates to join beach clean-ups. We should protect our environment and care for our friends in 10 . After all, every living thing should have a safe place to call home.
( )1．A．fact B．danger C．silence D．return
( )2．A．proud B．unique C．weak D．huge
( )3．A．saved B．discovered C．took D．remained
( )4．A．call on B．take in C．look forward to D．look around
( )5．A．darker B．better C．braver D．worse
( )6．A．sorry B．goodbye C．no D．thanks
( )7．A．scared B．sad C．excited D．bored
( )8．A．rushes B．matters C．fixes D．transports
( )9．A．allowed B．treated C．guarded D．encouraged
( )10．A．nature B．community C．topic D．competition
Day 5 · 拓展运用
一、阅读理解（5小题，每题2分，共10分）
建议用时：8分钟 | 实际用时：____分钟 | 得分：____/10
答题要求：阅读短文，从每题所给A、B、C、D四个选项中选出最佳选项。
The world is full of amazing natural wonders. Let’s learn about some of them.
The Dead Sea is not a real sea. It is a lake. It is much saltier than other seas. People can lie on the water easily because it is very salty. But now, the Dead Sea is becoming smaller and smaller. People take too much water from the rivers.
Glaciers are amazing, too. They are large and white. But climate change makes many glaciers disappear. There are fewer glaciers than before.
Rainforests are home to many animals and plants. But people cut down trees for wood. Some rainforests are disappearing.We must protect these natural wonders. They are important to us and nature.
( )1．What is the Dead Sea
A．A real sea. B．A lake. C．A river. D．A glacier.
( )2．Why can people lie on the Dead Sea easily
A．Because it is very deep. B．Because it is very salty.
C．Because it is very big. D．Because it is very clean.
( )3．What does the underlined word “disappear” mean in Chinese
A．出现 B．消失 C．上升 D．下降
( )4．What makes glaciers disappear
A．Climate change. B．Fresh air. C．Blue sky. D．Green grass.
( )5．What’s the best title of the passage
A．Amazing Natural Wonders and Protection B．My Favourite Colour
C．How to Keep Healthy D．Daily Life on the Plateau
二、补全对话（5小题，每题2分，共10分）
建议用时：5分钟 | 实际用时：____分钟 | 得分：____/10
答题要求：从方框内所给选项中选出最佳选项补全对话（有两项多余）。
(Mary and Tim are talking about today’s trip to the zoo on their way home. T= Tim M= Mary)
T: Hello, Mary! What do you think of this trip to the zoo
M: The trip is great. 1．
T: Me too. I like pandas because they are very friendly. Which animal do you like
M: I like elephants best. 2．
T: I think so too. But they are in great danger now.
M: 3．
T: Because people cut down too many trees and kill them to get ivory.
M: That’s so bad. 4．
T: We can plant trees and call on people not to buy things made of ivory.
M: I see. 5．
T: That’s a great idea!
A．They are very smart.
B．I have great fun today.
C．How can we look after it
D．Why are they in great danger
E．What can we do to help them
F．That’s good to live together with animals.
G．We can also tell our friends to do these things.
Day 6 · 综合练习
一、完形填空（10小题，每题1分，共10分）
建议用时：9分钟 | 实际用时：____分钟 | 得分：____/10
答题要求：阅读短文，从每题所给A、B、C、D四个选项中选出可以填入空白处的最佳选项。
From the deepest forests to our towns and cities, trees are all around us. We share our world 1 trees. They are our silent friends, but we often overlook (忽视) them in our daily lives.
In fact, trees are very important for all living things on Earth. To begin with, forests are a safe place for animals, insects and plants. Trees are also good for us humans because they can 2 harmful (有害的) gases and produce oxygen (氧气). This means they help keep the air clean and 3 .
Trees make our lives more 4 . Many of the things around us, such as paper and pencils, come from trees. Just look around your room—a lot of the furniture is made of wood. Trees also provide us with delicious fruit and wonderful drinks. For example, tea is made from the 5 of the tea tree.
However, humans are not treating trees well. We are cutting down forests to build roads and buildings. We are polluting the earth, and this 6 trees. If we continue to do this, there will be 7 forests left in the future. A world without trees is hard to 8 .
We should realize the importance of trees and take action right away. First, we can plant more trees on Tree Planting Day. Second, we should use paper 9 and recycle more. Everyone can make a difference. It is our duty to protect our silent friends 10 it is too late. Let’s work together to save our planet.
( )1．A．to B．for C．with D．from
( )2．A．take in B．take off C．take out D．take away
( )3．A．dirty B．fresh C．cold D．hot
( )4．A．difficult B．boring C．convenient D．expensive
( )5．A．leaves B．roots C．flowers D．fruits
( )6．A．helps B．grows C．burns D．harms
( )7．A．fewer B．less C．more D．better
( )8．A．know B．see C．imagine D．believe
( )9．A．freely B．wisely C．simply D．carelessly
( )10．A．if B．when C．before D．after
二、语法填空（10小题，每题1分，共10分）
建议用时：7分钟 | 实际用时：____分钟 | 得分：____/10
答题要求：阅读短文，在空白处填入一个适当的单词或括号内单词的正确形式。
When people think of the rivers in China, they think of the Yangtze River. The 1． (mean) of its Chinese name “Changjiang” is “long river”. It is famous all over the world, especially (尤其) for 2． (it) length. It is 6,363 km, and it is the longest river in China and also the third longest one in the world. The water in Changjiang 3． (run) from Tanggula Mountains in western China and flows into the East China Sea. The river is one of the busiest in the world and it is always 4． (fill) of ships and boats.
Changjiang 5． (make) the land rich. This is where the ancient Chinese people lived and farmed along the river in order to produce food for 6． (they) and animals. The river played 7． important role in farming and travelling.
Now more than 50 bridges are 8． this river and it is home to many different kinds of animals. They include (包括) the Chinese alligator (扬子鳄) and the Chinese paddlefish (白鲟) . 9． these species are endangered because of river pollution and high traffic levels. 10． (luck) , Chinese people and the Chinese government have made a difference to the protection of these animals.
Day 7 · 单元过关
一、阅读理解（5小题，每题2分，共10分）
建议用时：8分钟 | 实际用时：____分钟 | 得分：____/10
答题要求：阅读短文，从每题所给A、B、C、D四个选项中选出最佳选项。
Rainforests (热带雨林) cover six percent of the Earth’s surface (表面). There are rainforests in many parts of the world, but the biggest forests are in South America, Africa and Southeast Asia. There aren’t any rainforests in Europe or North America.
About 75 percent of animals live in rainforests. There are many beautiful birds, insects and so on. Many of them live in the trees, over 30 metres from the ground. There are also thousands of different plants. Lots of them are tall trees! It is always hot in the rainforests and the ground is always wet. It is also very dark there.
The rainforests are very important for us. We need them! The trees and other plants in the forest help make the air clean. They also help control the weather. They give us wood, rubber (橡胶), fruits and many of our medicines.
Unfortunately (不幸地), in many places, the rainforests are in danger. For example, many years ago there was a large rainforest in Java, but now there is nothing. The same thing happens now in many other parts of the world. We can never imagine (想象) a world without rainforests. If rainforests disappeared (消失) from the Earth, we wouldn’t find any trees, flowers or fruits. What’s more, we wouldn’t get clean air, and we wouldn’t find any animals. The worst result (最糟的结果) would be that we wouldn’t find any humans. It’s time to take action to save rainforests.
( )1．The writer begins the text by ________.
A．telling a story B．asking a question C．showing a picture D．using numbers
( )2．According to Paragraph 1, we can find the biggest rainforests in ________.
A．North America B．South America C．Europe D．Antarctica
( )3．What does the underlined word “them” in Paragraph 2 refer to (指的是)
A．The animals. B．The birds. C．The insects. D．The plants.
( )4．Which of the following about rainforests is TRUE
A．All plants in rainforests are tall trees.
B．The rainforests give us clean air and good weather.
C．Rainforests in many parts of the world are disappearing.
D．It is cool in the rainforests and the ground is always wet.
( )5．What may the writer talk about in the following paragraph (下一段)
A．Ways to protect rainforests. B．Results for losing rainforests.
C．Actions to plant more tall trees. D．Reasons for rainforests in danger.
二、完形填空（10小题，每题1分，共10分）
建议用时：9分钟 | 实际用时：____分钟 | 得分：____/10
答题要求：阅读短文，从每题所给A、B、C、D四个选项中选出可以填入空白处的最佳选项。
Chinese horseshoe crabs (中华鲎) are very old animals. They are important for medicine. Their blue blood helps make vaccines (疫苗). 1 , these animals are now in great danger.
Horseshoe crabs have hard shells. They also have long tails. They can 2 small worms with their legs. Their tails help them turn over. Horseshoe crabs are 3 to us. Their blood saves many lives. But people often 4 them for food. So we should never eat them. Besides, we must protect their homes. However, some people make the beaches and seas 5 . The crabs lose their homes.
Let’s work together to 6 the beaches. We should stop overfishing. Remember, every horseshoe crab 7 . If we don’t act now, these old animals may go away forever. Next time you go to the beach, think about how you can help. Do not 8 rubbish on the beach. Tell others not to 9 horseshoe crabs. Small actions can make a big difference. Protecting them means protecting 10 .
( )1．A．However B．So C．And D．Because
( )2．A．pick up B．look after C．play with D．cut down
( )3．A．bad B．scary C．important D．afraid
( )4．A．save B．kill C．help D．find
( )5．A．strict B．interesting C．dirty D．useful
( )6．A．clean B．build C．draw D．watch
( )7．A．eats B．sleeps C．counts D．walks
( )8．A．leave B．take C．see D．make
( )9．A．catch B．feed C．watch D．keep
( )10．A．us B．them C．it D．you
三、语法填空（10小题，每题1分，共10分）
建议用时：7分钟 | 实际用时：____分钟 | 得分：____/10
答题要求：阅读短文，在空白处填入一个适当的单词或括号内单词的正确形式。
One of the world’s rarest big cats is making a remarkable recovery (显著恢复). The Iberian lynx (伊比利亚猞猁) was once common across large 1． (part) of Portugal, Spain and southern France. However, hunting, losing home 2． not having enough food like rabbits put the Iberian lynx in danger.
In 2001, there were only 62 mature lynxes 3． (live) in the wild. Now. after conservation efforts (保护行动), it is thought there 4． (be) around 2,000 young and mature lynxes in the wild. As a result, the Iberian lynx was moved from “in danger” 5． “vulnerable” on the IUCN Red List. Francisco Javier Salcedo Ortiz was one of 6． people leading the conservation efforts. He wanted to 7． (say) it was “the greatest recovery of a cat species ever achieved through conservation. “
Did You Know The IUCN’s Red List looks at 8． (thousand) of animals in danger and puts them into nine groups. 9． (this) groups include vulnerable, endangered, critically endangered and extinct.
10． (help) save the Iberian lynx, people worked to make its home better, stop people from hurting it (like hunting and car accidents), and add more rabbits in the area.
四、补全对话（5小题，每题2分，共10分）
建议用时：5分钟 | 实际用时：____分钟 | 得分：____/10
答题要求：从方框内所给选项中选出最佳选项补全对话（有两项多余）。
A: Dad, how much do you know about China
B: 1． China is a big country that has about 5, 000 years of history. It attracts (吸引) many tourists from all over the world every year.
A: Is that so 2．
B: Yes. And many of them are famous, such as Mount Tai, Mount Huang and Mount Emei.
A: 3．
B: There are many rivers in China. Among them, the Yangtze River is the longest one and the second longest one is the Yellow River. 4．
A: Anything else
B: Sorry. That’s all I know. If you want to learn more, you can read the Guide to China. 5．
A: Thanks. I’ll read it.
A．Just a little.
B．What about rivers
C．I don’t know it at all.
D．Chinese are very friendly.
E．Are there any beautiful mountains
F．They’re the birthplaces of Chinese culture.
G．It’s a book which introduces China in detail.答案解析
Day 1 · 基础夯实
一、阅读理解
1. 答案：B；解析：根据原文“Zhangjiajie is a beautiful and famous city in the northwest of Hunan Province”，可知张家界在湖南省西北部，A湖南南部、C东北部、D西部均错。
2. 答案：C；解析：根据原文“because of its fantastic natural beauty”，张家界因自然美景闻名，A美食、B老房子、D商店均错。
3. 答案：B；解析：根据原文“In 1991... The year after that...”，1991年次年为1992年，A、C、D年份均错。
4. 答案：A；解析：peaceful意为平静放松，delighted意为高兴，与A“放松开心”同义；B无聊、C难过、D疲惫均错。
5. 答案：B；解析：全文介绍张家界自然美景，A旅行故事、C出行方式、D湖南历史均不符主旨。
二、完形填空
1. 答案：B；解析：后文多次出现lake，可知住在湖边，A森林、C山、D街道均错。
2. 答案：A；解析：water vegetables意为浇菜，B摘、C买、D卖均错。
3. 答案：C；解析：后文“fly kites”放风筝需有风，A冷、B下雨、D晴朗均错。
4. 答案：B；解析：夏天天气炎热，A温暖、C凉爽、D寒冷均错。
5. 答案：A；解析：many修饰可数名词kinds，B修饰不可数、C/D表否定均错。
6. 答案：D；解析：there be句型后接doing，鸟在树上唱歌，B缺少be动词、C跳舞不符文意。
7. 答案：C；解析：daily life日常生活，A困难、B感兴趣、D特别均错。
8. 答案：B；解析：我们都知道湖的重要性，A忘记、C记得、D想念均错。
9. 答案：A；解析：keep clean保持干净，B让、C想要、D有均错。
10. 答案：C；解析：throw rubbish扔垃圾，A放、B拿、D带来均错。
Day 2 · 巩固练习
一、完形填空
1. 答案：B；解析：后文多次出现river，可知住在河边，A海洋、C湖、D海岸线均错。
2. 答案：C；解析：let sb. do sth.，用动词原形，A不定式、B动名词、D三单均错。
3. 答案：A；解析：河水对我们很重要，B脏、C短、D深均错。
4. 答案：D；解析：grow plants种植物，A收集、B洗、C提供均错。
5. 答案：B；解析：夏天水很凉爽，A冷、C暖、D清澈均错。
6. 答案：C；解析：still仍然，A从不、B曾经、D后来均错。
7. 答案：A；解析：a few修饰可数名词fish，B修饰不可数、C/D表否定均错。
8. 答案：C；解析：when当……时，A和、B但是、D之前均错。
9. 答案：B；解析：daily life日常生活，A可能、C足够、D特别均错。
10. 答案：D；解析：value珍惜，A寻找、B数、C停留均错。
二、语法填空
1. 答案：forests；解析：one of后接复数名词。
2. 答案：a；解析：green以辅音开头，用a。
3. 答案：so；解析：因果关系，因此叫竹海。
4. 答案：of；解析：all kinds of各种各样。
5. 答案：visitors；解析：many后接复数名词。
6. 答案：takes；解析：主语it，谓语用三单。
7. 答案：first；解析：副词，先坐火车。
8. 答案：to visit；解析：不定式作后置定语。
9. 答案：taste；解析：情态动词can后用原形。
10. 答案：to pay；解析：forget to do忘记去做。
Day 3 · 重点提升
一、语法填空
1. 答案：is；解析：主语world单数，用is。
2. 答案：clouds；解析：are提示用复数。
3. 答案：calm；解析：feel后接形容词。
4. 答案：life；解析：of后接名词，生命之色。
5. 答案：quieter；解析：than提示比较级。
6. 答案：fewer；解析：shops可数，用few比较级。
7. 答案：presents；解析：best后接复数名词。
8. 答案：to describe；解析：不定式表目的。
9. 答案：disappearing；解析：be doing进行时。
10. 答案：to protect；解析：try one’s best to do。
二、阅读理解
1. 答案：B；解析：原文“Pandas like eating bamboo best”。
2. 答案：C；解析：原文“people cut down too many trees and kill them”。
3. 答案：A；解析：考拉每天睡18小时以上，比其他动物久。
4. 答案：C；解析：原文“Tigers are good at hunting”；A不友好、B独居、D不止亚洲均错。
5. 答案：B；解析：全文介绍几种动物及保护，A栖息地、C食物、D濒危均片面。
Day 4 · 能力进阶
一、补全对话
1. 答案：C；解析：下文讲做法，上文问“能做什么”。
2. 答案：G；解析：承接关灯话题，说自己也常随手关灯。
3. 答案：F；解析：赞同骑车建议，听起来不错。
4. 答案：B；解析：下文解释洗头关水，上文问是不是洗头时关。
5. 答案：A；解析：承接节水，说水很重要。
二、完形填空
1. 答案：B；解析：in danger处于危险中，A事实、C沉默、D返回均错。
2. 答案：C；解析：海龟虚弱疲惫，A骄傲、B独特、D巨大均错。
3. 答案：A；解析：及时发现救了它的命，B发现、C带走、D保持均错。
4. 答案：C；解析：期待来访，A号召、B吸收、D环顾均错。
5. 答案：B；解析：康复后好多了，A更暗、C更勇敢、D更糟均错。
6. 答案：D；解析：像在道谢，A抱歉、B再见、C不均错。
7. 答案：B；解析：告别有点难过，A害怕、C兴奋、D无聊均错。
8. 答案：B；解析：小事也重要，A冲、C修理、D运输均错。
9. 答案：D；解析：鼓励同学参与，A允许、B对待、C守卫均错。
10. 答案：A；解析：关爱自然中的朋友，B社区、C话题、D比赛均错。
Day 5 · 拓展运用
一、阅读理解
1. 答案：B；解析：原文“It is a lake”。
2. 答案：B；解析：原文“because it is very salty”。
3. 答案：B；解析：disappear意为消失。
4. 答案：A；解析：原文“climate change makes many glaciers disappear”。
5. 答案：A；解析：全文讲自然奇观及保护，B颜色、C健康、D高原生活均错。
二、补全对话
1. 答案：B；解析：下文Me too，上文说玩得开心。
2. 答案：A；解析：下文赞同，上文说大象聪明。
3. 答案：D；解析：下文Because，上文问为什么濒危。
4. 答案：E；解析：下文We can，上文问能做什么。
5. 答案：G；解析：下文好主意，上文补充做法。
Day 6 · 综合练习
一、完形填空
1. 答案：C；解析：share with与……共享。
2. 答案：A；解析：吸收有害气体，B起飞、C取出、D带走均错。
3. 答案：B；解析：空气清新，A脏、C冷、D热均错。
4. 答案：C；解析：生活更便利，A难、B无聊、D贵均错。
5. 答案：A；解析：茶叶来自树叶，B根、C花、D果实均错。
6. 答案：D；解析：污染伤害树木，A帮助、B生长、C燃烧均错。
7. 答案：A；解析：forests可数，few比较级fewer。
8. 答案：C；解析：难以想象没有树的世界，A知道、B看见、D相信均错。
9. 答案：B；解析：明智用纸，A自由、C简单、D粗心均错。
10. 答案：C；解析：及时保护，A如果、B当、D之后均错。
二、语法填空
1. 答案：meaning；解析：the后接名词，意思。
2. 答案：its；解析：形容词性物主代词，它的长度。
3. 答案：runs；解析：主语water单数，谓语三单。
4. 答案：full；解析：be full of充满。
5. 答案：makes；解析：主语单数，谓语三单。
6. 答案：themselves；解析：反身代词，为自己。
7. 答案：an；解析：important元音开头，用an。
8. 答案：over；解析：桥跨河用over。
9. 答案：But；解析：转折，物种濒危。
10. 答案：Luckily；解析：副词，幸运地。
Day 7 · 单元过关
一、阅读理解
1. 答案：D；解析：首句用数字“six percent”开头。
2. 答案：B；解析：原文“the biggest forests are in South America”。
3. 答案：A；解析：指代前文“many beautiful birds, insects and so on”即动物。
4. 答案：C；解析：原文“rainforests are in danger/disappearing”；A并非都是大树、B不能控制天气、D炎热潮湿均错。
5. 答案：A；解析：末段呼吁保护，下文可能讲保护方法。
二、完形填空
1. 答案：A；解析：转折，然而濒危，B所以、C并且、D因为均错。
2. 答案：A；解析：捡起小虫，B照顾、C玩、D砍均错。
3. 答案：C；解析：鲎对人类重要，B可怕、D害怕均错。
4. 答案：B；解析：人们捕杀食用，A拯救、C帮助、D发现均错。
5. 答案：C；解析：污染使海滩变脏，A严格、B有趣、D有用均错。
6. 答案：A；解析：清理海滩，B建造、C画画、D观看均错。
7. 答案：C；解析：每个都重要，A吃、B睡、D走均错。
8. 答案：A；解析：不要乱扔垃圾，B带走、C看见、D制造均错。
9. 答案：A；解析：不要捕捉鲎，B喂养、C观看、D饲养均错。
10. 答案：A；解析：保护它们就是保护我们自己。
三、语法填空
1. 答案：parts；解析：large后接复数名词。
2. 答案：and；解析：并列原因。
3. 答案：living；解析：现在分词作后置定语。
4. 答案：are；解析：around 2,000为复数，用are。
5. 答案：to；解析：from...to...从……到……。
6. 答案：the；解析：特指这群人。
7. 答案：say；解析：want to do想要做。
8. 答案：thousands；解析：thousands of成千上万。
9. 答案：These；解析：复数groups，用These。
10. 答案：To help；解析：不定式表目的。
四、补全对话
1. 答案：A；解析：下文简单介绍，上文说了解一点。
2. 答案：E；解析：下文说名山，上文问有山吗。
3. 答案：B；解析：下文说河流，上文问河流呢。
4. 答案：F；解析：补充长江黄河是文化发源地。
5. 答案：G；解析：介绍这本书的内容。

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