2012职称英语理工A答案(试卷代号13)(16)

42. The camera on WISE

A is equipped with expensive computers.

B produces images of objects giving off infrared radiation.

C reflects light visible to the human eyes.

D is similar to an ordinary digital camera.

43. It is true that infrared radiation.

A is not detectable to humans.

B looks brighter than visible light.

C is visible light reflected off an object.

D has longer waves than those of visible light.

44. Which of the following statements about asteroids is NOT ture?

A The WISE telescope can catch and take pictures of them.

B They do not reflect light that reaches them.

C They float through space giving off visible light.

D They are invisible to ordinary cameras.

45. It can be inferred from the last paragraph that brown dwarfs.

A give off infrared radiation.

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