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【多选题】
下列各组物质中,化学键类型(离子键、共价键)相同的是( )A.
HC1和NaCl
B.
F 2 和KF
C.
NH 3 和HF
D.
KF和Na 2 O
E.
NH 3 和NH 4 Cl
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举一反三
【单选题】_____sagree on whether the cheerleaders are entertaining or just an irritating thstraction.
A.
Spectators
B.
Athletes
C.
Fans
D.
Cheerleader choreographers
【单选题】To be frankly speaking, it is thoroughly _____ to sit on the sofa and watch some entertaining TV programmes after a hard day's work. [ ]
A.
confusing
B.
relaxing
C.
terrifying
D.
surprising
【简答题】A．Writing. B．Religious symbols. C．Entertaining. D．Curse.
【简答题】Entertaining:
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