浮选加药顺序一般为:先加抑制剂或调整剂,再加捕收剂,最后加起泡剂。如煤泥中有相当部分自然疏水性颗粒粘附气泡而优先浮起时,可先加起泡剂,再加捕收剂。
参考答案:对
选择下列单词的正确形式完成下列句子。
1. I like (drink, drinking) milk.
2. He (go, goes) home by bus every day.
3. She (like, likes) singing songs.
4. Look! They are (swim, swimming) in the river.
5. They (look, looks) the same.
6. What is (she, her) hobby?
7. I'm (goes, going) to watch TV this evening.
8. My mother (teach, teaches) English at school.
9. (Do, Does) he live in Shanghai?
10. Let's (give, gives) it to the zoo.
办理冲正交易需经()授权。
A.综合柜员
B.支局长
C.市县局管理员
D.柜员