69.Why are our secret mind and private memories safe?
A.Because scientists can't read people's thoughts directly.
B.Because scientists can't understand all pictures taken by FMRIs.
C.Because FMRIs can't gather any memories from people.
D.Because FMRIs can't be completely reliable now.
答案:A 推理判断题。根据文章最后一段的最后一句话可知,不能轻易地看到别人脑子里的隐私。因此A项正确。
70.The passage mainly tells us________.
A.how scientists can read people's memories
B.a new kind of camera—FMRIs
C.a very important research
D.spatial memory and FMRIs
答案:A 主旨大意题。文章主要介绍了科学家正在试验利用FMRIs这种相机来了解人们大脑里所记忆的东西,因此A是正确答案。
E
(2017·吉林市一模)
NOT all memories are sweet. Some people spend all their lives trying to forget bad experiences. Violence and traffic accidents can leave people with terrible physical and emotional scars. Often they relive experiences in nightmares.
Now American researchers think they are close to developing a pill, which will help people forget bad memories. The pill is designed to be taken immediately after a frightening experience. They hope it might reduce, or possibly wipe out, the effect of painful memories.
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