The passage is mainly about

试卷相关题目

• 1Comparing 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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• 2The meaning of the word “peristalsis” in paragraph three is similar to.

  A.swimming

  B.flying

  C.crawling

  D.walking

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• 3According 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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• 4From 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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• 5It 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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• 6The 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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• 7What 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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• 8The 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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• 9Which of the following is true according to the text？

  A.Saving the majority would necessarily justify the death of the minority.

  B.The immune system can be trained to fight weaker versions of a disease.

  C.Mandatory vaccinations are indispensable to the survival of the populace.

  D.The process of vaccination remains a mystery to be further resolved.

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• 10The purpose of the author in writing this passage is

  A.to comment and criticize

  B.to demonstrate and argue

  C.to interest and entertain

  D.to explain and inform

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