如果已掌握了各种产品产量的个体指数和基期各种产品的实际产值（

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问题单项选择题

如果已掌握了各种产品产量的个体指数和基期各种产品的实际产值（q₀p₀）资料，编制产品产量总指数适合采用的公式是（）。

A．A

B．B

C．C

D．D

答案

参考答案：C

填空题

根据下列句子的意思及所给的汉语提示，写出空缺处单词、固定短语或固定搭配的正确形式。

1. Betty is a good friend of m________. We often help each other.

2. They have invited a ________ (science) to give them a speech on space.

3. Mrs. Chan told us to write as ________ (care) as we could.

4. We Chinese sometimes ________ (借) words from English when talking.

5. Victor ________ (敲) the door before he walked into the room.

名词解释

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