Zenati tested the robot on people after using it in pigs.

试卷相关题目

• 1The application of a thin robotic snake makes heart surgeries less time-consuming.

  A.Right

  B.Wrong

  C.Not mentioned

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• 2Choset’s snake robots could make more movements than the ones others developed.

  A.Right

  B.Wrong

  C.Not mentioned

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• 3Choset didn’t begin developing his own snake robots until he started working Carnegie Mellon.

  A.Right

  B.Wrong

  C.Not mentioned

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• 4Snake robots could move in only four directions.

  A.Right

  B.Wrong

  C.Not mentioned

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• 5Choset began to build robots in high school.

  A.Right

  B.Wrong

  C.Not mentioned

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• 6The robotic technology for surgeries on people has brought a handsome Medrobotics.

  A.Right

  B.Wrong

  C.Not mentioned

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• 7How do plants relate to solar energy、

  A.They have been using it for billions of years.

  B.They are the real experts in producing it.

  C.They have been a source of it.

  D.They have been used to produce it.

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• 8Scientists study how photosynthesis works because they want to_____.

  A.improve the efficiency of it.

  B.turn plant sugars to a new form of energy.

  C.get more sugars and starches from plants.

  D.make green plants a new source of energy.

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• 9Algae are able to use solar energy to produce hydrogen when_____.

  A.they are grown in narrow-necked bottles.

  B.there is no oxygen in the air.

  C.there is enough oxygen in the air.

  D.enough starches is stored.

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• 10Researchers find it difficult to make algae produce hydrogen efficiently because_____.

  A.it is hard to create an airfree environment.

  B.it is expensive to remove the sulfate from the environment.

  C.removing the sulfate slows down hydrogen production.

  D.the algae’s cells work slowly if there is no oxygen in the air.

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