【題目】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, 【1】 will help people forget bad memories. The pill is 【2】(design)to be taken immediately after a frightening experience. They hope it might reduce, or 【3】 (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 from 【4】 (release) chemicals that fix memories in the brain. So far, the research 【5】 (suggest) that only the emotional effects of memories may be reduced, not that memories are wiped out. They are not sure to the degree people’s memories are affected.

The research has caused a great deal of 【6】 (argue). Some think it is 【7】 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 【8】 terrible memories. 【9】, those who are against the research say that maybe the pills can change people’s memories and changing memories is very【10】 (danger) because memories give us our identity.

【答案】

【1】which

【2】designed

【3】possibly

【4】releasing

【5】has suggested

【6】argument

【7】a

【8】from

【9】However

【10】dangerous

【解析】

試題分析：本文介紹專家們研究減少甚至去除痛苦記憶的影響。

【1】which 考查定語從句。此處為非限制性定語從句，指代前面pill，做主語，故用which。

【2】designed 考查動詞。此處為被動語態(tài)，故寫成designed。

【3】possibly考查副詞。副詞修飾動詞，做狀語，故用possibly。

【4】releasing 考查動名詞。stop…from doing：阻止做某事，故用releasing。

【5】has suggested 考查時態(tài)。根據(jù)so far，可知是到目前為止，故用現(xiàn)在完成時，has suggested.

【6】argument 考查名詞。此處用名詞，故改成argument。

【7】a 考查冠詞。此處是泛指，一個的意思，故用a。

【8】from 考查介詞。suffer from：遭受，固定搭配。故用介詞from。

【9】However 考查連詞。前后句是轉(zhuǎn)折關(guān)系，故用However。

【10】dangerous考查形容詞。此處是系表結(jié)構(gòu)，用形容詞作表語，故用dangerous。

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