服务水平指20s内的人工接通率。普通客户服务水平的合规值是:()
A、≥85%/20s。
B、≥80%/20s
C、≥75%/20s
D、≥70%/20s
参考答案:C
口语交际 。
根据实际情况或想象,回答下列问题.将答案写在题号下相应的横线上.
1. What is your hobby?
2. When did you start it?
3. Have your parents give you any advice on your hobby?
4. How much time do you spend on your hobby?
5. What have you learnt through your hobby?
生物转化的效果是使药物的
A.活性升高
B.活性降低
C.活性灭活
D.极性升高,有利于吸收
E.极性升高,有利于排泄