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                            1、 Sleeping with lights on is a____. You'd better make sure all the lights are off before you go to bed.A、pollution B、action C、waste D、collection
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                            2、 This river is dirty because it is ____ by the water from that chemistry factory.A、reduced B、polluted C、included D、created
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                            3、 The local people had to move away because the environment is seriously (pollute).
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                            4、 There is less (pollute) in Suzhou than in other cities in China.
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                            5、 Alice wants to buy a pair of sunglasses to protect herself____ the sun.A、for B、under C、with D、against
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                            6、 你最好戴上太阳镜,来保护你的眼睛免受阳光的伤害。You'd better wear sunglasses to your eyes sunshine. 
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                            7、 我们愿意保护濒临灭绝的野生动物。We're willing to wild animals. 
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                            8、 When I'm in trouble, my sister always ____.A、offers helping me B、offers to help me C、asks me to help D、asks me at help
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                            9、 —In the past five years, China has played an important role in the Belt and Road.—It has ____ many nations a great chance to communicate. A、offered B、supported C、included D、provided
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                            10、 The newly-opened company ____ the local people with more chances to work.A、gives B、provides C、offers D、shows
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                            11、 They didn't provide me ____ food, so I had to find something to eat.A、for B、to C、about D、with
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                            12、 他为他的家人提供食物和衣服。He provided food and clothes for his family. = He his family food and clothes. 
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                            13、 地球是动物和人类的家园The Earth both animals and humans 
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                            14、 It's 5 p. m. The last class is ____.A、end B、finish C、over
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                            15、 He has over one thousand books.A、about B、fewer C、more than D、a bit of
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                            16、 It is interesting to go skating on ____ lake in ____ weather.A、frozen, freezing B、frozen, frozen C、freezing, frozen D、freezing, freezing
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                            17、 The weather in winter was ____ and everything seemed to be ____.A、freezing;freezing B、frozen;frozen C、freezing;frozen D、frozen;freezing
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                            18、 据我们所知,除了地球,其他行星上没有生命。, there are no lives on other planets except the earth. 
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                            19、 一位记者正在采访全红禅。A journalist Quan Hongchan 
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                            20、 冬天到了。大地覆盖着厚厚的白雪。(完成句子)Winter comes, the land thick white snow.