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【单选题】
一个女孩，她正在清扫房间，她决定把自己书架上一大堆的动物玩具从最高到最矮重新摆放。先放人的，然后是中等的，最后是小的这个女孩的认知处下（）A.
感知运动阶段
B.
前运算阶段
C.
具体运算阶段
D.
形式运算阶段
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【单选题】听力原文： It may seem strange to date the emergence of a global economy in 1973, since that was the year of the first oil shock. The price of a barrel of oil was raised dramatically, leading to a slump in...
A.
The drop in economies of industrialized nations caused by the rise of oil price.
B.
The cease of the United States' dominant position in the world economy.
C.
The competition from Western Europe and Japan to the U. S. in international trade.
D.
All of the above.
【单选题】____ seems strange to us is ______ she can sing so many English songs beautifully.
A.
It; that
B.
That; how
C.
It; Why
D.
What; that
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