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Unit 8　Green Earth
一、选择合适的单词或短语，用其适当形式补全以下句子
(protect；straight；be made into；involve；dry up；shared bike；not until；at the same time)
1．I was afraid of her，but________I really liked her.
2．Everyone should get actively________in protecting our earth.
3．The soldier is standing as________as a tree.
4．Why did the stream________？
5．________are becoming popular with both the young and the old.
6．Wood can ________ desks and chairs.
7．It is the business of the police to________the community.
8．It was________yesterday that I was told this news.
二、英语知识运用
1．Be careful！This kind of snake might be________.
A．healthy B．danger
C．toxic D．lovely
2．Just now，she________her mistakes.
A．aware B．know
C．restored D．realized
3．We must pay attention________the environment.
A．to protect B．to protecting
C．protect D．protecting
4．Many people became homeless after the war. I think it important ________ a peaceful world.
A．build B．to build
C．not build D．not to build
5．I saw the two runners reach the finishing line________.
A．at the same time
B．each time
C．at a time
D．at times
6．—What a wonderful model plane!
—Thanks. I made it with a 3 D printer by ________.
A．it B．me
C．itself D．myself
7．It was not________ 11 o'clock in the night that he finished his homework.
A．that B．at
C．until D．when
8．I hurried to the train station only________the train had left.
A．finding B．found
C．to find D．find
9．Our English teacher entered the classroom________ a big smile on her face.
A．together B．with
C．and D．hold
10．—Would you like to come for a walk with me
—Yes，________.
A．I will B．I'd love to
C．I would D．I like
11．The table is________ wood，and the paper is________ trees.
A．made of；made of
B．made from；made from
C．made of；made from
D．made from；made of
12．I find________ easier to translate Chinese into English.
A．that B．this
C．us D．it
13．—On Tree Planting Day, the students in our school planted five ________ trees on the hill.
—Good job! Everyone can do some things to make our hometown greener.
A．hundreds B．hundred of
C．hundreds of D．hundred
14．It is because of the bad weather________ we have to cancel the picnic.
A．that B．which
C．who D．so
15．These sayings don't mean exactly________the words say.
A．how B．when
C．where D．what
三、根据情景内容补全对话
A：I saw some new dustbins in our neighbourhood.What are they for
B：For garbage 1.________.
A：But I don't know 2.________ to do that.
B：3.________worry.There are some garbage sorting apps for phones.
A：That's great.Can you give me some examples about recyclable waste
B：Of 4.________.Paper，cans and bottles can be recycled，but paint，bulbs and batteries cannot 5.________they are toxic.
A：Good.That explains everything.
四、短文填空
Almost everyone is familiar with the name global warming.But its meaning is still not clear to most of 1.________(we)．So，global warming refers to the slow rise of temperature in 2.________earth's atmosphere.It is 3.________(cause)by the increase of carbon dioxide levels.We human beings should be responsible 4.________it.Therefore，we need to take action to stop the 5.________(pollute) and protect the earth.For example，carry out the garbage sorting policy 6.________(strict)，and the government should encourage people to 7.________(use)public transportation instead of 8.________(drive)cars to move around the city.Every little thing a person 9.________(do)to save the earth will contribute much.So if you are ready to go green，start by changing your mind and 10.________(person)habits.
五、阅读理解
Shenzhou 14’s return capsule (太空舱) landed successfully at the Dongfeng landing site at 8：09 p．m on Dec. 4th. Chinese astronauts onboard the Shenzhou 14 spacecraft have returned with the world’s first rice seeds (种子) produced in space. They were in space for 183 days. During that time, they watched and directed the finish of China’s Tiangong space station and several life science experiments. While there have been other rice experiments in space, the goal of the experiment made on Tiangong is to produce the complete life cycle of the plant. Because it begins with a seed and ends with a fully grown and developed plant which produces new seeds. The experiment began on July 29, and after 120 days in space, they successfully produced new seeds.
Since the 1980s, China has been taking rice seeds and other crops to space to help them mutate (变异) and produce more rice once they were planted on Earth. But growing rice in space is a difficult challenge because of the worst conditions of space, such as microgravity (微重力) and so on.
The new seeds have been passed to many national technology and science centers in Beijing. They will also be sent to labs in Shanghai for further study.
1．How long is the growth cycle of rice seeds in space
A．For 29 days. B．For 30 days.
C．For 120 days. D．For 183 days.
2．What is the purpose of taking rice seeds into space for experiments
A．To produce more rice.
B．To get new seeds.
C．To save more money.
D．To find a new place to plant rice.
3．It is difficult to grow rice in space because ________.
A．it costs a lot of money and time
B．it’s difficult to do research in space
C．scientists know few things about space
D．the conditions in space are worse than those on ground
4．What does the underlined word “challenge” in Paragraph 2 mean in Chinese
A．挑战 B．机会
C．条件 D．技术
5．What’s the main idea of the passage
A．Shenzhou－14 returned successfully.
B．China produced rice seeds in space.
C．Scientists study why to grow rice in space.
D．The rice seeds will be sent for further study.
六、写作
当前环境污染越来越严重，但我们只有一个地球，这是我们生存的家园，作为学生的我们要积极地采取措施保护我们的家园。请根据提示，结合自己的想法写一篇关于环境保护的文章。
内容包括：
1．原因：砍伐树木；工厂排放的废气废水；
2．后果：沙尘暴频发；河流污染；
3．措施：植树；阻止工厂乱排现象。
参考词汇：
environment 环境 cut down 砍伐
do something采取措施
注意：
1．100词左右；
2．适当增添细节，使行文流畅。
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答案
一、选择合适的单词或短语，用其适当形式补全以下句子
1．at the same time　2.involved　3.straight
4．dry up　5.Shared bikes　6.be made into
7．protect　8.not until
二、英语知识运用
1．C　解析：本题考查词汇辨析。句意：小心！这种蛇可能有毒。A健康的；B危险(n.)；C有毒的；D可爱的。故选C。
2．D　解析：本题考查词汇辨析。句意：刚刚，她意识到了自己的错误。A有意识的(adj)；B知道；C储存； D意识到。结合时态和句意，故选D。
3．B　解析：本题考查固定短语。句意：我们必须得关注一下环境。pay attention to doing sth，故选B。
4．B　解析：本题考查非谓语动词。句意：战争过后很多人无家可归，我认为建设一个和平的世界很重要。本句是固定句型“think/find＋ it＋形容词＋to do sth.”it是形式宾语，后面的不定式是真正宾语。故选B。
5．A　解析：本题考查固定短语。句意：我看到这两位选手同时到达了终点线。A同时；B每次；C一次；D有时候。故选A。
6．D　解析：本题考查固定用法。句意：——多棒的飞机模型啊！——多谢夸奖。我自己用3D打印机做的。by oneself为固定用法，意为“自行，独自”。故选D。
7．C　解析：本题考查固定句型。句意：直到晚上11点他才完成作业。not...until...直到……才……，故选C。
8．C　解析：本题考查固定结构。句意：我着急赶到火车站却发现火车已经开走了。only to do 表示一种意料之外的结果，故选C。
9．B　解析：本题考查介词。句意：我们英语老师走进教室，脸上洋溢着大大的笑容。with＋介词短语，在句中做伴随状语。 故选B。
10．B　解析：本题考查交际用语。句意：——你想和我一起去散个步吗？——是的，我想去。从答语Yes，得出是对提议的肯定回应，故选B。
11．C　解析：考查动词短语。句意：这张桌子是由木头制成的，纸是由树木制成的。be made from由……制成，看不出原材料；be made of由……制成的，能看出原材料。第一空能看出桌子的原材料是木头，因此用be made of，第二空纸的原材料是木头，这是无法看出来的，因此用be made from。故选C。
12．D　解析：本题考查代词。句意：我发现汉译英更容易。it做形式宾语，真正的宾语是to translate Chinese into English.故选D。
13．D　解析：本题考查hundred/thousand等大数的表达。句意：——在植树节这一天，我们学校的学生在山上种了五百棵树。——做得好！每个人都可以做点什么来让我们的家乡变得更绿色。hundreds几百；hundred of错误表达，hundred应用复数形式；hundreds of成百上千；hundred百。根据“five”可知在基数词后hundred应用单数形式，不能用复数形式，也不可以在后面加上介词of。故选D。
14．A　解析：本题考查强调句式。句意：因为坏天气我们不得不取消这次运动会。 It is(was)＋被强调部分＋that。故选A。
15．D　解析：本题考查名词性从句。句意：这些谚语不能准确表达这些文字的内容。what 在句中引导的宾语从句，并在从句中充当宾语成分，故选D。
三、根据情景内容补全对话
1．sorting　2.how　3.Don't　4.course　5.because
四、短文填空
1．us　2.the　3.caused　4.for　5.pollution
6．strictly　7.use　8.driving　9.does　10.personal
五、阅读理解
1．C　解析：细节理解题。根据“The experiment began on July 29, and after 120 days in space, they successfully produced new seeds.”可知，水稻种子在太空中的生长周期是120天。故选C。
2．A　解析：细节理解题。根据“Since the 1980s, China has been taking rice seeds and other crops to space to help them mutate (变异) and produce more rice once they were planted on Earth.”可知，是为了生产更多的水稻。故选A。
3．D　解析：细节理解题。根据“But growing rice in space is a difficult challenge because of the worst conditions of space, such as microgravity (微重力) and so on.”可知，因为太空条件更恶劣。故选D。
4．A　解析：词义猜测题。根据“But growing rice in space is a difficult challenge because of the worst conditions of space, such as microgravity (微重力) and so on.”可知，后文提到了太空条件是恶劣的，因此划线词是“挑战”。故选A。
5．B　解析：主旨大意题。根据“Shenzhou 14’s return capsule (太空舱) landed successfully at the Dongfeng landing site at 8：09 p．m on Dec. 4th. Chinese astronauts onboard the Shenzhou 14 spacecraft have returned with the world’s first rice seeds (种子) produced in space.”可知，本文主要介绍了中国在太空种植水稻方面取得的进展。因此选项B“中国在太空中生产了水稻种子”符合题意。故选B。
六、写作
As we know，our environment is worse and worse.There are many reasons.People cut down too many trees.Factories pour waste water，which has caused some serious problems.For example，the land is sandy, and the river is polluted.Also，there are too many cars in the street.
What shall we do to save the earth To begin with，we should plant more trees and stop factories from pouring waste water.What's more，when we go out，we can take buses instead of taking cars.
As a student，at school we can use both sides of paper.At home we can also use used water to water flowers.
We have only one earth，and we should do everything to protect it.
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Unit 8 Green Earth

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