对原有价格按照时间序列进行修匀，即采用逐项递移的方法分别计算一系列移动的时序价格平均

根据首字母或汉语提示，用正确的词完成句子。

1. I think Zhang Hua is a ________(勇敢的) young man.

2. Would you help me _________ (解决) this problem?

3. We should know how to cook __________ (有益健康的)and tasty meals.

4. When the bus stopped, we all got off _________(迅速地).

5. Betty is a beautiful girl. She w__________ small round glasses.

6. We are happy to join in after-school a___________ every week.

7. This skirt is e_________ more expensive than that one.

8. The story is very b___________ and I don't want to read it.

小儿生长发育中

衡量营养状况的重要指标是（）

A.体重

B.身长

C.头围

D.前囟

E.胸围

某投资保障型家庭财产保险产品规定每份保险金额10000元，需交纳保险投资金2000元。某保险标的的价值为60000元，则该保险标的的投保人能购买该保险的最大有效份数为（）份。

A.5

B.6

C.10

D.30

数据库的逻辑结构设计任务就是把______转换为与所选用的DBMS支持的数据模型相符合的过程。

A．逻辑结构

B．物理结构

C．概念结构

D．层次结构