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问题 选择题

与新兴工业比较，传统工业明显的特点有

    ①企业以中小型为主 ②工业集中分布 ③工业分散布局 ④资本高度集中 [ ]

A、①②

B、①③

C、①④

D、②④

答案

答案：D

填空题

用所给词的适当形式填空。

1. ____ (luck), modern medicine can help people with eye problems in less developed countries.

2. They _____ (plan) a trip to Disneyland at this time yesterday.

3. —Excuse me, where is the _____ (lady) Room?

    —It's over there.

4. I am _____ (excite) about passing the final exams.

5. He speaks Chinese very well, though he is a ____ (Canada).

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选择题

一氢气球下系一小重物G，重物只在重力和绳的拉力F作用下做匀速直线运动，不计空气阻力和风力的影响，而重物匀速运动的方向如下图中箭头所示的虚线方向，图中气球和重物G在运动中所处的位置正确的是（　　）

A．

B．

C．

D．
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