药物制剂的鉴别、检查、含量测定等方法应具备的主要条件为( )
A. 代表性
B. 科学性
C. 真实性
D. 专属性
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_____ do you usually go to school?
A. What
B. How
C. Where
D. Which
Lilyoften _____the light rail to go to work.
A. takes
B. rides
C. goes
D. travels
—You did a good job, boy. I'm proud of you.—____，Dad.
A. Not at all
B. Thanks a lot
C. That’s all right
D. I’m really glad
— Mum, I've finished my composition. Would you like me to read it to you ?—Please do.____
A. Let's see it.
B. How good the story is!
C. It's quite good.
D. I'm sure we'll enjoy it.
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