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问题
多项选择题
人参的主治病证有( )
A.消渴
B.肺气虚证
C.气虚欲脱
D.津伤口渴
E.失眠多梦
答案
参考答案:
A,B,C,D,E
选择题
— I'd like to buy an expensive sports car.
— Well, sir. We've got several models _____.
A. to be chosen from
B. to choose
C. to choose from
D. for choosing
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填空题
激光滤片的作用是保护()和()不被激光武器的激光束损伤,同时又要不影响正常观察。
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