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【判断题】
药物是用于预防、治疗、缓解和诊断疾病,有目的地调节机体生理功能的物质。A.
正确
B.
错误
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举一反三
【单选题】--What kind of job have you ever done before? --Oh, I _________ for an engineering company for three years,
A.
work
B.
have worked
C.
worked
D.
had worked
【单选题】Have you ever had a case _____someone accused you of doing something you hadn’t done?
A.
which
B.
that
C.
where
D.
when
【简答题】Unit five-listen(1).wmv Miss Wang:Good morning, sir. Welcome to our shop.Is there anything I can do for you? Mr.Miller: Good morning. I'd like to buy a (1). Miss Wang: Would you please take a look at ...
【单选题】Please decide who could say the sentence:Good afternoon, sir. Welcome to our shop. May I help you?
A.
Guest
B.
Shop assistant
【简答题】多轴无人机,电调上较细的白红黑3色排线,也叫杜邦线,用来连接A. 电机 B. 机载遥控接收机 C. 飞控
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