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【多选题】
喹诺酮类抗菌药的结构类型有A.
萘啶羧酸类
B.
吡唑酮类
C.
吲哚乙酸类
D.
吡啶并嘧啶羧酸类
E.
喹啉羧酸类
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举一反三
【单选题】Little Alice ___ at the teacher , not knowing what to do.
A.
glared
B.
stared
C.
glanced
D.
fixed
【单选题】33 岁女,孕 58 天阴道出血,先兆流产与难免流产的主要区别点是
A.
失血性休克发生与否
B.
出血时间长短
C.
出血量的多少
D.
宫颈口扩张与否
E.
下腹痛的程度
【单选题】－－－ He is fifteen years older than you. －－－ _______ Love has nothing to do with age. A．What for
A.
23. --- He is fifteen years older than you. --- _______ Love has nothing to do with age. A．What for?
B.
How about it?
C.
So what?
D.
How come?
【单选题】What can stress do to us?
A.
It can do good to us.
B.
It can do harm to us.
C.
It can kill us.
D.
All of the above.
【单选题】You have water washed your cargo tanks using the fixed machines．What should you do before using portable machines to clean areas screened from the wash of the fixed machine by structural members _____...
A.
Ventilate the tank to eliminate any electrostatically charged mist
B.
Attach the water supply hose to the portable machine after the cleaning head is positioned inside the tank
C.
Insure that the tanks are not stripped until the final wash is started
D.
Ground the fixed machines to eliminate any electrostatic buildup on the cleaning head
【单选题】What did Eddie do with the hammer?
A.
He drove nails into the lump.
B.
He fixed his toolbox.
C.
He retired the carpet.
D.
He flattened the lump.
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