慢性肾炎临床表现中错误的是（）
A.轻中度水肿
B.中等程度蛋白尿
C.高血压
D.不导致肾功能不全
E.贫血
参考答案：D
使用过滤式防毒面具时，空气中有毒气体浓度不得高于（），空气中氧气含量不得低于（）。
根据句意，用括号内所给单词的适当形式填空。
1. She bought a _____ (bath) suit last Sunday.
2. I like doing some _____ (shop) at weekends.
3. She hasn't _____ (feed) the cat yet.
4. There are about ten _____ (well) in that village.
5. Has the camera been _____ (pack) yet?
