70天攻克考研英语阅读（1） - 考研专业课真题

re very difficult

参考答案： A

第二段的最后一句是说专业词汇给日常用语做出了很大贡献。究其原因是第一段提到的给一个过程命名比描述它要简单的多，因而专业词汇变成日常用语的一部分，可以使日常用语更为简洁。

----------------------------------------

1From this passage, we can learn that .

A.A robotic caterpillar can crawl by a pair of rubber rods.

B.When a caterpillar moves, the magnetic field moves backwards along it.

C.The environment couldn’t influence a robotic caterpillar’s guts, which are wrapped in a capsule.

D.Crawling is very stable and efficient, and when it moves, only a few elements are needed.

参考答案： B

　　日本人Norihiko Saga发明一种磁性机器虫，利用磁流体完成爬行，将用于帮助救援者找到地震废墟中的受困者。　　Saga made the caterpillar from a series of rubber capsules filled with a magnetic fluid consisting of iron particles, water, and a detergent?like surfactant, which reduces the surface tension of the fluid. 这种机器虫是Saga用装满磁流体的一系列橡胶囊制成的，磁流体的成分包括铁粒、水及能减少流体表面张力的类似清洗剂的表面火化剂。由第四段第一句可以看出，磁场会向后移动从而使机器虫移动。D中，crawling是一种效率不高的运动方式。

----------------------------------------

2According to this passage, which is not TRUE about the construction of the robotic caterpillar?

A.A robotic caterpillar is made from a series of rubber capsules filled with a magnetic fluid.

B.Iron particles, water, and a detergent?like surfactant form a magnetic fluid.

C.Each capsule filled with a magnetic fluid is linked to a pair of rubber rods.

D.In order to keep stable condition, the caterpillar’s guts are wrapped in a clear, flexible polymer tube.

参考答案： C

由第三段倒数第二句可以得出，囊与囊之间由一对橡胶棒连接。

----------------------------------------

3The meaning of the word “peristalsis” in paragraph three is similar to .

A.swimming

B.flying