治疗药物监测的意义体现在()
A.促进临床合理用药
B.控制药品质量
C.为新药研制提供依据
D.为老药改进提供依据
E.提高医院的经济效益
参考答案:A, B, C, D
He used to ______ cards, but now he is used to _______ a walk after supper.
A.play; taking
B.playing; take
C.play; take
D.playing; taking
-----When _____Jack ______for Shanghai?
-----Tomorrow morning.
A.is ;leaving
B.does; leave
C.was; leave
D.did; leave