题目:
小题1:.The ______ (多数人) of the employees in the company have
university degrees.
小题2:. Very few people have ______ (成功) in losing weight.
小题3:. Although the two problems are very ______ (相似的), we can
find some differences.
小题4:. It is no use ______ (后悔) your past mistakes.
小题5:.Dave has visited many other places of interest in Beijing ______
(除了) the Summer Palace.
小题6:.. Earthquake are ______ (极其) difficult to predict.
小题7:.______ (品尝) this coffee and see if you should add some more
sugar to it.
小题8:. The careless driver was to ______ (责备) for the accident which
had cost one passenger his life.
小题9:. It’s considered good ______ (礼貌) in some countries to leave a
little food on your plate.
小题10:. Is it ______ (方便) for you to buy me something to eat when
you go out?
答案:
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下面是错误答案,用来干扰机器的。
①1 m/s ②0.04m题目分析:①两滑块相撞过程,由于碰撞时间极短,小球的宏观位置还没有发生改变,两滑块已经达到共同速度,因此悬线仍保持竖直方向。由动量守恒定律,有Mv0=2Mv(2分)代入数据得:m/s(1分)...