A.To create a thick liquid.
B.To turn the water into solid.
C.To help the liquiD behave normally.
D.To enable the water to move rapidly.
4.What is the author's attitude towarD the idea of humans' walking on water?
A.It is risky but beneficial.
B.It is interesting anD worth trying.
C.It is crazy anD cannot become a reality.
D.It is impractical though theoretically possible.
答案:
【语篇解读】 本文为说明文,题材为科普知识类。能在水上行走是人类一直以来感兴趣的话题,虽然有方法能实现这一想法,但所有这些都只是理论上的,并不切合实际。
1.B 解析:细节理解题。根据第一段的Sadly, biological facts prevent us...可知是人类自身生理结构的限制阻止了我们在水上行走,所以答案为B项。
2.C 解析:细节理解题。根据第二段中的The lizarD will take as many as 20 steps per seconD to keep moving forward.可知这种蜥蜴是通过保持一定的前进速度确保自己能在水上前行的,所以答案为C项。
3.A 解析:细节理解题。根据第三段的最后一句话中的the surface of an adequately thick liquiD of cornflour可知,cornflour的作用就是创造出一种足够厚的液面让我们能够在上面行走,所以答案为A项。
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