D.killing germs
4.Your parents dont let you drink dirty water because _____.
A. water will make you sick B. there are many germs in it
C. you can see germs in it D. it will make your finger become big and red
5.In this story, the word microscope means ______ in Chinese.
A. 眼镜 B. 放大镜 C. 显微镜 D. 镜子
6.The writer talks about __________.
A. how to keep dirty water clean B. how to take care of your fingers
C. how to find germs D. what makes you ill
【答案与解析】
短文大意是:细菌无处不在。脏水里,空气中或尘埃里通常含有大量细菌。它们是使人生病主要元凶。
1.D 从文首的两句话中,可直观地看出人生病时,身体发热,浑身疼痛,精神不愉快,也不想工作。故前三项皆包括在内。
2.B 虽然细菌无处不在,但根据They are very small and you cant see them with your eyes, but you can find them with a microscope.一句可知正确答案为B。
3.B 通过a microscope可以看到小得肉眼看不见的细菌这个意思,我们可以推断出 microscope的意思是显微镜。根据常识,我们知道,显微镜是用来放大很小的东西的,而并非使其看起来更清楚些,也不是用来杀死细菌的。
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