下列关于增长速度和发展速度的换算公式，正确的是( )。 A．定

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问题多项选择题

下列关于增长速度和发展速度的换算公式，正确的是( )。

A．定基增长速度=定基增长速度-1(或100%)

B．定基增长速度=定基发展速度-1(或100%)

C．环比增长速度=定基增长速度-1(或100%)

D．年距增长速度=年距发展速度-1(或100%)

E．环比增长速度=环比发展速度-1(或100%)

答案

参考答案：B,D,E

填空题

Fill in the blanks with suitable words according to the meanings in the brackets.

1. His father used to be a ________ (high in rank or position) officer in the Liberation War.

2. Before the speaker began the lecture, he gave a ________ (a movement of hand as part of communication)

for everyone to become quiet.

3. I was given some ________ (help) in coming to my decision.

4. He said nothing, but his facial ________ (a look on one's face that communicates feeling) told us everything.

5. _______ in class is the key to efficient(有效率的)study. (thinking deeply about something)

判断题

马斯洛的需要层次，由低级向高级发展可分为：生理需要、安全需要、社交需要(也称爱和归属的需要)、尊重需要、自我实现需要。(心理学)