下列物质中属于纯净物的是 [ ] A. 空气 B. 澄清石灰水 C. 液态 发布时间：2017-05-08 22:49 │ 来源：www.tikuol.com 题型：选择题 问题： 下列物质中属于纯净物的是 [ ]A. 空气 B. 澄清石灰水 C. 液态氧 D. 矿泉水
题型：选择题 在下列给出的单词中，选出最适合的一个填写在横线上。go do have study play talk ride listen1. At three o'clock, we take a break and _____ to some students.2. The twins _____ to the cinema on Sunday evening.3. On Saturday evening, Lingling and Kitty _____ to music.4. Daming and Tony _____ football on the playground on Saturday afternoon.5. The pupils go home at four o'clock and _____ homework.6. We don't _____ chemistry, art or history on Thursday afternoon.7. The students _____ English at school.8. We _____ to school every day. It is far (远). 查看答案