火药什么时期开始用于军事 [ ] A．北宋 B．南宋 C．唐末 D．元朝_爱下问搜题

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问题选择题

火药什么时期开始用于军事 [ ]

A．北宋

B．南宋

C．唐末

D．元朝

答案

答案：C

填空题

选用方框中的单词填空。

your, I, her, its, his, first, last, it, he, you, she, me

1. This is a boy._________ name is Tony.
2. That is a girl.__________ name is Kate.
3.______________am a girl.
4. Look at the cat._________ name is Mimi.
5. His_________ name is Smith. We call him Mr. Smith.
6. My _________ name is Peter. Mom calls me Peter.
7. ---What is________ name?
-My name's Linda. 8. Nice to meet________.
9. ---What's that?
----______ is a DVD.
10. This is Ms Green._______ is our English teacher. That is Mr. White.______ is our Chinese teacher.

单项选择题

镁锭验收时如抽验，其抽验量应为（）。

A、40%

B、30%

C、20%

D、10%