考满分IELTS: 剑雅听力10Test4Section4

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Listen and answer questions 31-40

Question 31-33

Choose the correct letter A, B or C.

31. The speaker says that one problem with nanotechnology is that

  • A.

    it could threaten our way of life.

  • B.

    it could be used to spy on people.

  • C.

    it is misunderstood by the public.

32. According to the speaker, some scientists believe that nano-particles

  • A.

    should be restricted to secure environments.

  • B.

    should be used with more caution.

  • C.

    should only be developed for essential products.

33. In the speaker's opinion

  • A.

    has yet to win popular support.

  • B.

    could be seen as unethical.

  • C.

    ought to be continued.

Question 34-40

Complete the table below:

                         Uses of Nanotechnology


Transport

  • Nanotechnology could allow the development of stronger .

  • Planes would be much lighter in weigh.

  • travel will be made available to the masses.


Technology

  • Computers will be even smallerìfasterìand will have a greater .

  • energy will become more affordable.


The Environment

  • Nano-robots could rebuild the ozone layer.

  • Pollutants such as  could be removed from water more easily.

  • There will be no  from manufacturing.


Health and Medicine

  • New methods of food production could eradicate famine.

  • Analysis of medical  will be speeded up.

  • Life expectancy could be increased.