气浮最基本的条件是水中悬浮颗粒的（）。
A.憎水性
B.亲水性
C.溶解性
D.溶水性
参考答案：A
根据句意及首字母提示完成单词。
1. There are twelve months in a y________.
2. We come from China. We're C_________.
3. The art f________ is November 23rd.
4. We have an English s________ contest this Friday.
5. I want to have a t_________ to Hainan this year.
A large number of engineers _____ to Africa by our government to help the people there every year.[ ]
A. have sent
B. will send
C. are sent
首字母提示完成单词。