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问题 多项选择题

我国的经济体制改革大体经历了五个阶段，其中第三阶段是（）的阶段。

A.改革的起步

B.改革的全面展开

C.改革的整体推进

D.改革的重点突破

E.改革的完善和深化

答案

参考答案：C, D

阅读理解

阅读理解。

    Doing experiments can be interesting, and you may try the following experiments at home.

    Make sure that you’ll do them with an adult.

1. How many experiments are there in the pictures?

A. Six.

B. Five.

C. Three.

D. Two.

2. The following are the instructions on how to do “Step 2” in these experiments. Which one is the right order?

a. Pour 3/4 of the water away.  b. Put a balloon on the bottle.

c. Put the bottle in a bucket of hot water. The air rises into the balloon.

A. a, b, c

B. a, c, b

C. b, a, c

D. c, a, b

3. What can you see in the bottle at last in Experiment A?

A. Some ice.

B. Some water.

C. Some ice and water.

D. A cloud and some water.

4. What will happen to the balloon in “Step 3” in Experiment C?

A. It will be bigger.

B. It will be broken.

C. It won’t change.

D. It will be in the bottle.
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单项选择题

有关自杀的动机以下哪项有误()

A．作为惩罚自己的罪恶行为的手段，或为摆脱痛苦、逃避现实、实现精神再生

B．作为一种寻求刺激和享受

C．为了某种目的或信仰牺牲自己，或作为一种影响和控制别人的手段

D．保持自己道德上和人格上的完美

E．作为一种困境的表达，向外界寻求帮助和同情的手段
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