Which of the following can be inferred from the passage？
A. Cancer can be passed on to the next generation.
B. Senior citizens are more vulnerable to the hurt of radiation.
C. The impact of radiation can be accessible over generations.
D. Scientists have found out solutions to radiation.
查看答案
Why does the speaker say that radiation is similar to radio waves？
A. Because both of them can be detected by human senses.
Because both of them can be sensed by a radio receiver.
C. Because both of them are harmful.
D. Because both of them can only be detected by devices.
According to the passage, why does the cancer increase？
A. Because people expose too much to the computer.
Because people don't care about the low levels of radiation.
C. Because the cells are killed by radiation.
D. Because the cells produce themselves in an unusual way.
费希纳定律表明，感觉的变化比刺激强度增长慢，即心理感觉量与物理刺激量的对数值成正比。公式为（）
A. I=KlgS
B. K=SlgI
C. S=KlgI
D. S=IlgK(其中，S为感觉量，K为常数，I为刺激强度)
让64位大学生品尝A、B两种品牌的可乐并选择一种自己比较喜欢的。如果这两种品牌的可乐味道实际没有任何区别，有39人或39人以上选择品牌B的概率是(不查表)（）
A. 0.0101
B. 0.0228
C. 0.0521
D. 0.3906
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