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Unit 8 Our Blue Planet 随堂基础过关练
Part 1 夯实基础
一、用括号内所给词的适当形式填空
1. There are many kinds of __________ (animal) living in the Amazon rainforest.
2. It's our duty __________ (protect) our blue planet from pollution.
3. My sister is good at __________ (recycle) old paper to make beautiful crafts.
4. We can see different kinds of __________ (plant) in the city botanical garden.
5. The factory __________ (pollute) the small river nearby last year.
二、用方框中所给词或短语的适当形式填空
save energy, cut down, take action, throw away, depend on
6. To protect our environment, we should __________ instead of wasting it.
7. People shouldn't __________ too many trees, because trees can keep the air clean and fresh.
8. It's time for us to __________ to stop water pollution in our neighborhood.
9. Don't __________ the plastic bottles after using them; we can reuse them as flower pots.
10. All living things on Earth __________ the sun for light and heat.
三、根据语境填空，使句意完整，每空一词
11. We should play a part __________ protecting our blue planet.
12. Many wild animals are __________ danger because of habitat loss.
13. __________ order to save water, we can take shorter showers every day.
14. Human beings can't live __________ clean air and fresh water.
15. Let's work together __________ make our environment better.
Part2 提升能力
四、完形填空
阅读下面短文，从每题所给的 A、B、C、D 四个选项中选出最佳选项。
Our blue planet is our only home, so it's important for us to take good care of it. However, more and more pollution is making our environment 16 . Here are some simple but useful ways to protect it.
First, we can 17 using plastic bags when going shopping. Cloth bags are a better choice because they can be reused many times. Second, we should 18 turning off the lights and electric fans when we leave a room. It helps to 19 a lot of energy. Third, we can sort our waste carefully and recycle things like paper, glass and plastic. Recycling can help us use resources more wisely.
Also, we shouldn't 20 litter everywhere. We can pick up litter when we see it in the park or on the street. Moreover, we can plant more trees with our families. Trees can not only make the air 21 but also provide homes for many wild animals.
If everyone does a little bit, our planet will 22 a better place to live in. Let's 23 our action now and make a real difference. Remember, protecting the environment is everyone's 24 . We depend on the earth, and it's our duty to 25 it.
16.( )A. better B. worse C. cleaner D. greener
17.( )A. refuse B. keep C. avoid D. enjoy
18.( )A. forget B. remember C. stop D. dislike
19.( )A. waste B. save C. lose D. produce
20.( )A. throw B. leave C. make D. take
21.( )A. fresh B. dirty C. cold D. warm
22.( )A. change B. get C. become D. turn
23.( )A. start B. end C. finish D. continue
24.( )A. work B. job C. task D. duty
25.( )A. harm B. protect C. destroy D. damage
五、阅读理解
A survey was done among 300 seventh-grade students about their daily environmental habits. Let's look at the results.
40% of the students say they always turn off the lights and electric devices when leaving a room to save energy. 25% of them often reuse plastic bottles or cups instead of throwing them away. 20% of the students usually plant trees or flowers with their families on weekends. The remaining 15% of the students sometimes help sort waste into different bins at home.
Some teachers say that these small good habits are very helpful for protecting the environment. They also suggest that students can do more things, like telling their friends to save water or not to litter in public places. They believe that everyone's small actions can make a big difference to our blue planet.
26.( )How many students always turn off lights when leaving a room
A. 60 B. 75 C. 90 D. 120
27.( )Which habit is chosen by the second largest number of students
A. Reusing plastic bottles or cups.
B. Planting trees or flowers.
C. Sorting waste at home.
D. Saving energy by turning off lights.
28.( )What do teachers suggest students do
A. Stop planting trees with families.
B. Throw away plastic bottles after use.
C. Do more to protect the environment.
D. Spend less time on environmental activities.
参考答案
一、1. animals 2. to protect 3. recycling 4. plants 5. polluted
6. save energy 7. cut down 8. take action 9. throw away 10. depend on
三、11. in 12. in 13. In 14. without15. to
四、16-25：BCBBA ACADB
五、26-28：DAC

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