题目内容

This ____(restore) of a prehistoric village shows what it must have looked like.

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She was confronted with a(n) ___ (tolerate) situation the other day.

下列情况选用的联轴器类型是什么？① 刚性大，对中性好的轴间传动；（）② 两轴倾斜一角度的轴间传动；（）③ 工作有轻微振动及启动频繁的轴间传动；（）④ 转速高，载荷重，需要经常正反转的轴间传动（）

唯物辩证法与形而上学的根本分歧和斗争焦点在于是否承

A. 事物是客观存在的
B. 事物是永恒运动的
C. 事物是普遍联系的
D. 事物的内部矛盾是其发展的根本动力

It's ages _______her.

A. since I saw
B. that I didn't see
C. since I didn't see
D. ago I saw