What’s the main idea of the message、

试卷相关题目

• 1The passage mainly tells us about ________.

  A.the robotic fish to smell out pollutants

  B.a ￡2.5 million EU-funded project

  C.researchers working on robotic fish

  D.a 3D pollution map of the Thames

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• 2According to the passage, which of the following statements is true、

  A.The robotic fish have been used in ports as well as in the Thames.

  B.It takes 24 hours for robotic fish to be recharged.

  C.The robotic fish can work as a team without humans.

  D.The robotic fish can not change direction in water.

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• 3When a fish finds pollutants it will________.

  A.change directi on immediately

  B.gather the pollutants together

  C.take the pollutants onto the bank

  D.send a message to others

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• 4Robotic fish can find harmful pollutants by using __________.

  A.GPS systems

  B.a 3D pollution map

  C.pollution sensors

  D.fins and a tail

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• 5The purpose of the robotic fish project is to ________.

  A.find out whether inbuilt GPS systems are useful

  B.find new ways to monitor water waste

  C.prove that robotic fish can be sent into the Thames

  D.test the speed of the robotic fish

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• 6Which of the following is NOT right about  animals’ social skill、

  A.Animals can recognize and memorize their relatives.

  B.Animals’ social skill is to cooperate and share resources.

  C.Animals’ social skill can recognize close relatives in order to work together.

  D.Animals’ social skill is no use at all.

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• 7Plants’ kin selection is to ________.

  A.grow well

  B.compete with other kinds of plants

  C.strengthen the relationship among siblings

  D.find which one is the best

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• 8From the passage，we learn that ________.

  A.sea rocket is a South American species

  B.sea rocket grows aggressively alongside unrelated neighbors

  C.sea rocket grows aggressively alongside its siblings

  D.sea rocket is a kind of bush without flowers

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• 9How can the plants communicate with each other according to experts’ suppose、

  A.Plants communicate by using tiny chemical signatures specific to each plant’s family.

  B.Plants communicate with each other through their roots.

  C.Plants communicate with each other by their leaves.

  D.Plants communicate with each other with their flowers.

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• 10Which of the following is NOT right about Smart Board、

  A.It’s a kind of teaching facility.

  B.It can be used to project video.

  C.It’s a display for presentation.

  D.It’s not easy to be connected to computers.

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