《中国药典》测定诺氟沙星软膏的含量时采用的方法是 ( )
A.紫外分光光度法
B.气相色谱法
C.薄层色谱法
D.高效液相色谱法
E.非水滴定法
参考答案:A
(1) transport n.&vt.______air/road transport _______That yellow bus transports passengers from
the airport to the city.
The_______(货物)were______(运输)by plane.
The bicycle is a cheap_______(交通方式).
(2) prefer______(过去式)____(过去分词)________(现在分词)
I prefer English to Chinese.总结:_________
I prefer sleeping to watching TV.总结:________
I prefer him to you.总结:__________
Liu Hulan preferred to die rather than surrender
(投降) 总结:____________________________
呕血最常见的疾病是()
A.胃底及食管静脉曲张破裂
B.慢性胃炎
C.消化性溃疡
D.急性胃肠炎
E.胃癌