患者女性,诊断为绒毛膜细胞癌,拟行化疗,下列哪一项不是一线化疗药物?()
A.CTX
B.MTX
C.KSM
D.Act-D
E.ADM
参考答案:E
The teacher asked the students __________ her _______ the word again.
A.listen to; to read
B.to hear; say
C.to listen to; speak
D.to listen to; pronounce
一种药品经过两次降价,药价从原来每盒60元降至到现在48.6元,则平均每次降价的百分比率是( )。