血液中钙的形式随着环境的不同，结合钙和游离钙的比例发生变化，掌握这些变化对临床病情的判断和治疗方案的确定非常重要。

碱中毒时，血清中钙的改变是（）

A.结合钙增加，游离钙也增加

B.结合钙减少，游离钙也减少

C.结合钙减少，游离钙增加

D.结合钙增加，游离钙减少

E.结合钙减少，游离钙不变

根据汉语提示或首字母写单词。（10分）

1. Can you                 (提供) me a room to study?

2. Our teacher always told us everyone should have a                 （梦想）.

3. We must pay a                 to English grammar when we learn English.

4. You won’t catch the early bus u                 you get up quite early tomorrow.

5. His answer is wrong, but yours is c                 .

6. Some kind people gave Hong Zhanhui some money, but he           （拒绝）at last.

7. We should read English        （大声地） in the morning if we want to learn it well.

8. The word has two pronunciations. Can you p                   it?

9. Zhang Yimou is one of the most famous                   ( 主管、导演) in China.

10. He will p                 (可能)come,but I’m not sure.