M3诱导缓解最佳方案为（）
A.DA方案
B.VP方案
C.HOAP方案
D.EA方案
E.全反式维A酸或联合砷剂
参考答案：E
---How was your weekend, Jeff?
---It was quite busy. I _________ all the time.
A．played the guitar
B．went shopping
C．studied for the tests
D．visited my friends
下列不属于人员配备原则的是： ( )。
A．任人唯贤原则
B．因事择人原则
C．程序化、规范化原则
D．社会效益原则
