2017届河北省高考英语阅读理解一轮限时训练（3）_高考复习指南

　　Thus, Tailbot, a super tailed robot, is born.

　　49. What part(s) would be a must if scientists just wanted a robot which can hang on the wall?

　　A. Suckers.

　　B. Suckers and bristles.

　　C. Suckers, bristles and a tail.

　　D. Hands, feet, bristles and a tail.

　　50. The bristles function as something ________.

　　A. to protect the lizard’s toes from injury

　　B. to produce friction and static adsorption

　　C. to prevent a lizard falling over backward

　　D. to help a lizard move about without falling

　　51. The biggest importance of a lizard’s tail lies in ________.

　　A. helping support the body

　　B. serving as another leg

　　C. sticking to the wall

　　D. stopping slipping

　　52. What does the underlined part in the fifth paragraph refer to?

　　A. A lizard often falls over backward while it travels on the wall.

　　B. A lizard often has three legs on the wall while walking on the wall.

　　C. A lizard’s tail will replace one of its legs while it moves on the wall.

　　D. A lizard’s tail often stops it fall over backward while moving on the wall.

　　【参考答案】49—50、AB 51—2、BC

　　C7 [2017·新课标全国卷Ⅱ] ----C

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