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【单选题】
根据皮亚杰的理论，儿童获得物体守恒概念是在（ ）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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举一反三
【简答题】听力原文：Man: Hello, this is Thomas Wood. Can I speak to Mrs. Boshwell, please? Woman: Speaking. please. Man: Oh, hi. , Mrs. Boshwell. I called yesterday morning, but you were out. Woman: Oh, yes. I am so...
【单选题】This is the first time that I _____ at the meeting. [ ]
A.
had spoken
B.
have spoken
C.
spoken
D.
speaking
【简答题】听力原文：What differences are there between British English and American English? What differences are there between British English and American English? The differences involve grammar, ______, etc.
【简答题】It is the first time that I _____ in public. A. have spoken B will speak C. had spoken D. will be speaking
【多选题】在MACD应用法则中，当( )时为空头市场。
A.
DIF和DEA为正值，DIF向上突破DEA
B.
DIF和DEA为正值，DIF向下跌破DEA
C.
DIF和DEA为负值，DIF向上突破DEA
D.
DIF和DEA为负值，DIF向下跌破DEA
【单选题】--------What do you think of the book I lent you yesterday? --------Oh, not too bad. It’s not too difficult_________.
A.
to read
B.
to be read
C.
reading
D.
being read
【单选题】—I haven’t worked the problem out yet. What am I supposed to do? —Try again! It’s only _________ difficult. [ ]
A.
a lot
B.
a bit
C.
too much
D.
too many
【单选题】--Excuse me． May I speak to Mike, please? --______________．
A.
Yes, I am．
B.
Do you know him?
C.
I am speaking．
D.
This is Mike speaking．
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