一般认为,我国高等教育学的初创阶段是在()。 A.20世纪50年代中期 B.70年代

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问题:

一般认为,我国高等教育学的初创阶段是在()。

A.20世纪50年代中期

B.70年代末到80年代中期

C.80年代末期

D.90年代初期

考点:高等教育学高等教育学题库
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数轴上与原点距离小于4的整数点有 [ ]

A.3个

B.4个

C.6个

D.7个

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土地使用权转让不包括()。

A.出售 

B.赠与 

C.交换 

D.农村集体土地承包经营权的转移

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根据短文内容和首字母提示,在下文空格处填入适当的词使短文完整。

My 14-year-old brother John and I saw the coat at the same time. The thick black woolen coat was soft, and it cost only $28. We looked at each other, saying n  1 , but John’s face was shining with joy. Dark woolen coats were p___2___ with boys just then, and could cost several hundred dollars. But this coat was even better and m  3 _  cheaper.

John t  4 __ on the coat and bought it at once. John wore the coat to school the next day and came home with a big smile. “H_ 5__  did the kids like your coat?” I asked. “They loved it,” he said. I started c  6_  him “Lord (老爷) John”.

A few weeks later , something good h  7_  to John. He became more polite, more helpful and more pleasing. He was willing to lend his classmates his pens; he was willing to bring his father a cup of tea when he got home; he was willing to help a blind man c  8_  the road.

When my mother told this to one of his teachers, he said, “It must be his coat!” One day, in the library, my brother and I ran into a friend. “Could this be John?” he asked. John shook hands with him, l _ 9  a gentleman(绅士)!

I think John changed b__10___ of his own attitude(态度). If you think you are a gentleman or a lady, you can become a perfect one.

题型:单项选择题

(16分)如图所示,质量M = 4.0kg的长木板B静止在光滑的水平地面上,在其右端放一质量m = 1.0kg的小滑块A(可视为质点)。初始时刻,A、B分别以v0 = 2.0m/s向左、向右运动,最后A恰好没有滑离B板。已知A、B之间的动摩擦因数μ = 0.40,取g =10m/s2。求:

⑴ A、B相对运动时的加速度aA和aB的大小与方向;

⑵ A相对地面速度为零时,B相对地面运动已发生的位移x;

⑶木板B的长度l。

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简述弦槌击弦不正的原因及解决方法。

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