以下物质引起的皮肤灼伤禁用水洗的是（）。
A、五氧化二磷
B、五硫化磷
C、五氯化磷
D、冰醋酸
参考答案：A, B, C
根据下列句子及所给汉语注释，在句子空缺处写出各单词的正确形式（每空只写一词）。
1. Wood has been used to make paper since the 19th __________(世纪).
2. He got up __________(早) than I did this morning.
3. Sam __________ (遇见) Mary in England and visited her school.
4. A nice hot bath should help to __________(放松) you.
5. They're __________(计划) to go to Beijing at weekends.
具有“喜燥恶湿”生理特性的脏是
A．肝
B．心
C．脾
D．肺
E．肾
