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四、阅读理解
第一篇
Gross NationalHappiness
In the last century, newww.100ksw.comproves a person’s performanceon a particular task. www.100ksw.comehowww.100ksw.coment
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B looks brighter than visible light.
C is visible light reflected off an object.
D has longer waves than thoseof visible light.
44. Which of thefollowing 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 spacegiving off visible light.
D They are invisible to ordinary cameras.
45. It can beinferred from the last paragraph that brown dwarfs.
A give off infrared radiation.
B are power stars like the sun.
C become massive and active
D are invisible to the WISE telescope.