Paragraph 3_______

试卷相关题目

• 1Paragraph 2_______

  A.What can we do to help protect ecosystems、

  B.What are different types of ecosystems、

  C.What is an ecosystem、

  D.What destroys ecosystems、

  E.How does an ecosystem work、

  F.Why are ecosystems important、

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• 2The robotic technology for surgeries on people has brought a handsome Medrobot- ics.

  A.Right

  B.Wrong

  C.Not mentioned

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• 3Zenati tested the robot on people after using it in pigs.

  A.Right

  B.Wrong

  C.Not mentioned

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• 4The application of a thin robotic snake makes heart surgeries less time-consuming.

  A.Right

  B.Wrong

  C.Not mentioned

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• 5Choset's snake robots could make more movements than the ones others developed.

  A.Right

  B.Wrong

  C.Not mentioned

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• 6Paragraph 4_______

  A.What can we do to help protect ecosystems、

  B.What are different types of ecosystems、

  C.What is an ecosystem、

  D.What destroys ecosystems、

  E.How does an ecosystem work、

  F.Why are ecosystems important、

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• 7Paragraph 5_______

  A.What can we do to help protect ecosystems、

  B.What are different types of ecosystems、

  C.What is an ecosystem、

  D.What destroys ecosystems、

  E.How does an ecosystem work、

  F.Why are ecosystems important、

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• 8In an ecosystem, plants, animals and humans live together in_______

  A.our share of resources

  B.a biological creature

  C.a given area

  D.the maintenance of the ecosystem

  E.the source of food

  F.various species

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• 9Plants are essential in an ecosystem because to other living creatures they are_______

  A.our share of resources

  B.a biological creature

  C.a given area

  D.the maintenance of the ecosystem

  E.the source of food

  F.various species

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• 10Plants, animals and humans are all effective in_______

  A.our share of resources

  B.a biological creature

  C.a given area

  D.the maintenance of the ecosystem

  E.the source of food

  F.various species

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