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问题 不定项选择题

某温度下，在100ml饱和石灰水中加入少量生石灰，充分反应后恢复到原来的温度。下列判断正确的是 [ ]

A. 溶液中Ca2+数目减少

B. 溶液中c(Ca2+)增大

C. 溶液的pH不变

D. 溶液中溶质的质量分数增大

答案

AC

单项选择题 A1/A2型题

接触性皮炎属于（）

A.Ⅰ型变态反应

B.Ⅱ型变态反应

C.Ⅲ型变态反应

D.Ⅳ型变态反应

E.非变态反应
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填空题

用所给词的适当形式填空。

1. What makes your brother so              (health)?

2. We never feel              (bore) in English class.

3. I'm so hungry that I want to have some              (much) food.

4. Zhou Jielun is famous as a              (sing).

5. A tiger is _______ (danger) than an elephant.

6. It is a              (please) way to have an English test like that.

7. When the teacher asks them questions. Cindy is _______ (nervous) of all.

8. Millie thinks swimming isn't as _______ (interest) as hiking.

9. Peter was              (bad) in the drawing competition.

10. Kitty is              (slim) than any other girl in her class.

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