关于风湿性心脏病孕妇的分娩期处理，正确的是()A．忌用吗啡 B．应行剖宫产术 C．应

可以一次性鉴别出空气，氧气和二氧化碳三瓶气体的正确方法是[ ]

A.分别加入适量澄清石灰水　　　　　　　　

B.分别滴入紫色石蕊试液

C.用燃着的木条分别伸入瓶中　　　　　　　

D.分别观察颜色或闻气味

裂口

HTML是（）的缩写。

A.HappyTea Man Language

B.HighTech Manmade Language

C.HyperTex tMarkup Language

D.HighTea Milk Language

Directions:

Write a poster to your schoolmates, informing them of a new book to be released. You should write about 100 words on ANSWER SHEET 2.

Do not sign your own name at the end of the letter; use "Li Ming" instead.

Do not write the address.