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【简答题】

It is important to do with the rubbish in cities. Rubbish must be 1.____________
treated properly. Thus, it may cause a lot of prob­lems. It may pollute 2.____________
the air and water. When people breathe the polluted air or drink polluted 3.____________
water, we may get ill. Our city has begun to pay attention to the roblem. 4.____________
As far as I know, some rubbish is sorted and sent to different facto­ry.5.____________
Rubbish, such as old newspapers and glass, are recycled. Some harmful 6.____________
rubbish is sent to a certain place and buried. Waste air is cleaned after it 7.____________
goes into the air. Waste water is treated before it poured into rivers. To 8.____________
protect from the environment, the government has passed laws to 9.____________
pr people from throwing rubbish everywhere. We should do our 10.___________
best to take good care of the environment and fight against pollution.

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【单选题】The poor man, ______, ran out of the dark cave.The poor man, ______, ran out of the dark cave.

A.
trembling and frightened
B.
trembled and frightening
C.
trembled and frightened
D.
trembling and frightening