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【简答题】
For this part, you are allowed 30 minutes to write a composition on the title Global Warming. You should write at least 120 words following the outline given below in Chinese: 1. 应性变暖的原因 2. 提出解决的建成议
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举一反三
【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】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.
【单选题】For years scientists have been worried aboutthe ___________ of air pollution on the earth’s natural conditions.
A.
effect
B.
result
C.
account
D.
cause
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