用所给句意及首字母提示完成句中单词

1. G__________ in Xinjiang are very sweet because there is a lot of sunshine there.

2. His mother has a bad t__________ and she often hits him when she is angry.

3. This h__________ has too much fat in it.

4. We took a h__________ tour over the Ayers Rock.

5. That girl prefers p__________ dresses to pink ones.

20Mn钢属于（）钢。

A.优质碳素结构

B.普通碳素结构

C.合金结构

D.优质合金结构