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【单选题】
临床上可作为升压药的是A.
肾素
B.
肾上腺素
C.
去甲肾上腺素
D.
前列腺素
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【简答题】You are required to write a composition in no less than 220 words. You should write recording to the outline given below. 1. Some people say that the recent increased enrollment of university students...
【单选题】― I never __________ him after he went to the USA. ―Maybe you should write to him first. A. hear about
B.
hear of
C.
hear from
D.
hear out
【单选题】Do you know Tom,the manager of that company? -Of course,I know him,By next month,I______him for 10 years.
A.
know
B.
knew
C.
will know
D.
will have known
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