居民消费价格指数的月环比指数，根据所属代表规格品价格变动相对数，采用（）计算。
A.几何平均法
B.加权平均法
C.简单平均法
D.调和平均法
参考答案：A
解析：
居民消费价格指数的月环比指数根据所属代表规格品价格变动相对数，采用几何平均法计算，计算公式为：
，其中：Gt1、Gt2、……、Gtn分别为第一个至第n个规格品报告期（t）价格与上期（t-1）价格对比的相对数。
完成对话：（10分）
A : Look! The report says that a medical team was sent to Heidi last week. B: Yes, do you know my aunt was a member of it? A: Really? (1)__________________ B: For about twenty days. A: (2)_____________________ B: She is a nurse. She will help to cure the people who were hurt in the earthquake. A: The  work will be dangerous. The conditions in Heidi are terrible.B: Yes. Heidi is in a mess(混乱). (3)____________________ A: Does your uncle agree to let her go there? B: Yes. (4) ______________ A: They’re so great. (5) __________________- B: I hope so. And our school will invite her to give us a speech then. |
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