骨盆底组织有（） A.1层 B.2层 C.3层 D.4层 E.5层

根据句意或句子的语法要求，用括号中所给单词的适当形式填空。

1. My grandpa likes ________ (chat) with his friends under the big tree.

2. —Would you like some bananas? —No, thanks. I ________ (eat) one already.

3. The style of this dress is popular, but I don't like ________ (it) colour.

4. What a ________ (snow) day! The ground is covered with snow everywhere.

5. July 1st is our Party's ________ (ninety) birthday this year. We Chinese people are going to celebrate it.

6. Beijing is one of ________ (beautiful) places in China, and I have been there twice.

7. ________ (lucky), they escaped from the burning building with the help of the firemen.

8. We ________ (ask) to help our parents do some housework every day.

培训预算的构成包括（）.

A.场地费

B.食宿费

C.培训器材、教材费

D.培训相关人员的工资以及外聘教师的讲课费

E.交通差旅费

程序计数器PC

某企业采用“先进先出法”计算发出存货成本，期初某种库存材料数量为50件，单位成本为 1000元；本月购入100件，单位成本为1050元；本月领用100件，存货发出成本为( )元。

A．102500
B．100000
C．105000
D．100500

ⅹ射线是一种（）电磁波，在宝石鉴定中的应用相当重要。

A.长波

B.超长波

C.短波

D.超长波