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代表人类社会迄今最先进的人生追求是
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【简答题】I’m afraid you’ve missed the d____, because the teacher asked us to hand in the report before March 30th.
【简答题】Scientists think they have _____ in their attempt tofind the causes of some major dieases. A. broken through B. worked out C. fallen out D. gotround
【简答题】Many scientists have been probing psychological problems（ ）
【简答题】Within ten years scientists will probably have
【简答题】Scientists have to work hard to keep _____ with moderndiscoveries and developments. A. company B. track C.touch D. pace
【简答题】根据句意及首字母提示补全单词 1. The teacher asked the two students to make a short d about shopping. 2. We learned some poems written by Li Bai yesterday. Our teacher asked us to r them. 3. The little girl was fr...
【简答题】For years scientists have been worried about the ___________ of air pollution on the earth’s natural conditions. A. effect B. result C. account D. cause
【简答题】A On the first day of the 11th grade, our new math teacher Mr Washington asked me to go to the blackboard to do a math problem. I told him that I couldn’t do it. He asked, “Why not?” I paused, and the...
【单选题】What do scientists think causes dreams?
A.
Sleep.
B.
Scientists have not found the reason up to now.
C.
REM sleep.
D.
It is not mentioned in the article, but scientists have known it.
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