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

试卷相关题目

• 1According 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.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 tub

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• 2From 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

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• 3It can be inferred from Paragraph 2 that Christopher Lash is most probably

  A.a reform advocate

  B.a senior psychologist

  C.a reputed poet

  D.a social historian

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• 4The author concludes that only shared myths can help Americans

  A.to bring about the uniformity of their culture

  B.to regain their consensus about a common experience

  C.to stay away from negative feelings in their life

  D.to counteract the effects of consensus about society

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• 5Homer's epics is mentioned in Paragraph 1 in order to

  A.exemplify the contributions made by ancient poets

  B.illustrate the role of shared fantasies about society

  C.show an ideal stage of eternal social progress

  D.make known myths of what a society ought to be

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• 6Comparing the robotic caterpillar and the other robots， which of the following is not true？

  A.A smooth surface is indispensable to biped robots and wheeled robots.

  B.Flying robots are very inconvenient when moving， because they have too many moving parts.

  C.The robotic caterpillar only has rubber capsules filled with a magnetic flui

  D.D.It's incapable for wheeled robots to locate trapped people because they are impossible to miniaturiz

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• 7The passage is mainly about

  A.why a robotic caterpillar can find trapped people

  B.how a robotic caterpillar work

  C.the instruction of the magnetic caterpillar

  D.how a robotic caterpillar peristalsis

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• 8The best title for the text may be

  A.“Vaccinations： A Blessing or A Curse”

  B.“Principles of Vaccinations”

  C.“Vaccines： Methods and Implications”

  D.“A Miracle Cure Under Attack”

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• 9What does the example of the Smallpox Vaccine illustrate？

  A.The possible negative outcome of administering vaccines.

  B.The practical use of a vaccine to control an epidemic disease.

  C.The effectiveness of vaccines in eradicating certain disease.

  D.The method by which vaccines are employed against the diseas

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• 10The phrase “ward it off naturally” （Paragraph 2） most probably means

  A.dispose of it naturally

  B.fight it off with ease

  C.see to it reluctantly

  D.split it up properly

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