A brain road map will__________. 查看材料
A. be the most complicated map we know
B. tell us which neuron is better
C. help us study well
D. be produced by the advanced forms of operation
查看答案
Which does not belong to the scientific breakthroughs in the 21st century？
A. We"ll know whom we are.
B. We"ll live longer.
C. We"ll conquer cancer.
D. We"ll manage Earth.
According to the passage， the normal aging process is__________.
A. a process in which people become older and older
B. a contest that can be seen
C. a long process of struggling
D. a fight between damaging DNA and preparing the damage
It will become easy to cure some serious diseases because__________.
A. scientists will crack the genetic code
B. "therapeutic" viruses will be used
C. healthy genes will be used to replace cancer causing damaged DNA
D. all of the above
根据死因监测系统的报告数据，甲地1991年肺癌死亡率是14/10万，1998年肺癌死亡率是18/10万，则1998年与1991年相比肺癌死亡率增长了 ()
A. 29%
B. 35%
C. 22%
D. 78%
E. 50%
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