P单质在反应4P+3KOH+3H2O=3KH2PO2+PH3↑[ ] A.被氧化 发布时间:2017-04-21 22:01 │ 来源:www.tikuol.com 题型:选择题 问题: P单质在反应4P+3KOH+3H2O=3KH2PO2+PH3↑[ ]A.被氧化 B.被还原 C.既被氧化又被还原 D.既未被氧化又未被还原
题型:选择题 用所给词的适当形式填空。1. John drinks lots of_____ ( coffee) every day.2. Leaming skills help you _____ ( get) high grades.3. _____ ( eat) habits are important for our health.4. To lose weight my sister eats _____ (little) meat than before. 查看答案