题目

    Not all memories are sweet. Some people spend all their lives trying to forget bad experiences. Now American researchers think they are close to developing a pill,    61    will help people forget bad memories. The pill is designed to    62    (take) immediately after a frightening experience. They hope it might reduce, or    63    (possible) erase(抹去) the effect of painful memories.     In November, experts tested a drug on people in the U.S. and France. The drug stops the body    64    (release) chemicals that fix memories in the brain. So far, the research    65    (suggest) that only the emotional effects of memories may be reduced, not that memories are wiped out. They are not sure to    66    degree people’s memories are affected. The research has caused a great deal of    67    (argue). Some think it is a bad idea, while others support it. Supporters say it could lead to pills which prevent or treat soldiers’ troubling memories after war. They say that there are many people who suffer from terrible memories.    68   , those who are    69    the research say that maybe the pills can change people’s memories and changing memories is very   70    (danger) because memories give us our identity. 答案：61. which        62. be taken       63. possibly 64. releasing     65. has suggested 66. what       67. argument      68. However     69. against     70. dangerous

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