假设平均消费倾向为0.64，则平均储蓄倾向为______。 A．1.5625 B．0

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问题单项选择题

假设平均消费倾向为0.64，则平均储蓄倾向为______。

A．1.5625

B．0.64

C．0.44

D．0.36

答案

参考答案：C

解析：平均储蓄倾向同平均消费倾向互为补数，二者之和等于1。

阅读理解

阅读理解。

Look at this picture. It's a picture of Jim's bedroom. A broom is behind the door. The football is under

the bed. The chair is behind the desk. Some nice flowers are on the desk. Some nice pictures are on the

wall.

1. This is _____.

A. a picture of Jim

B. a bedroom of a picture

C. a picture of a bedroom

2. Where is the broom?

A. Behind the door.

B. Under the desk.

C. Under the bed.

3. We can see the football _____.

A. near the window

B. behind the chair

C. under the bed

4. Some _____ are on the desk.

A. flowers

B. chairs

C. books

5. You can see _____ on the wall

A. a football

B. a chair

C. some pictures

单项选择题

下列情况适宜安装人工心脏起搏器，但除外（）

A.心室纤颤

B.心动过缓一心动过速综合征

C.完全性房室传导阻滞伴阿-斯综合征

D.严重心动过缓

E.反复颈动脉窦性晕厥和心室停顿