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【单选题】
Jackie Chan is an actor __________ was born in Hong Kong.A.
who
B.
which
C.
where
D.
what
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【判断题】A PDM system can help moldemakers improve the efficiency of data management.
A.
正确
B.
错误
【单选题】The two newspapers gave different ______ of what happened.
A.
versions
B.
editions
C.
productions
D.
texts
【简答题】所有的七和弦都是（）和弦
【单选题】—Look ______ the two children, they're Nick and Lily. —Oh, they're twin ______. [ ]
A.
at; brother and sister
B.
/; brothers
C.
of; sisters
D.
after; boys
【单选题】. All the girls swam in the lake except two， who _____ halfway.
A.
gave off
B.
gave up
C.
gave away
D.
gave out
【简答题】实验发现电子吸收光谱并非线状光谱,吸收峰宽度约为1000—3000cm-1 原因:
【简答题】All the girls swam in the lake except two, who _____ halfway. A．gave off B．gave up C．gave away D．gave out
【单选题】_________you gave me last night are of great use to me. [ ]
A.
The two pieces of advice
B.
The two advices
C.
Two pieces of advice D, Two advices
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