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【单选题】
环己烷的哪种构象更稳定？A.
椅式构象
B.
船式构象
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参考解析：
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皮皮学刷刷变学霸
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【单选题】With the gas _____, they had to quit the car and walked.
A.
has run out
B.
running out
C.
ran out
D.
be run out
【单选题】The gasoline . Let’s fill the car up at the next gas station.
A.
is running out
B.
has run out
C.
is being run out
D.
has been run out
【简答题】肺叩诊区扩大是肺过度 和胸腔 的结果。
【单选题】 How________ tons________ the machine________?
A.
many; is; weigh
B.
much; does; weigh
C.
many; does; weigh
D.
much; is; weigh
【单选题】The car won't start because the battery has______-_.
A.
run down
B.
run over
C.
run out
D.
run off
【单选题】. A small car has the great _____ of being cheaper to run. A interest
B.
benefit
C.
usefulness
D.
advantage
【单选题】The car has run 200 thousand kilometers and It needs _____ repairs. [ ]
A.
major
B.
great
C.
main
D.
chief
【单选题】The car won't start because the battery has ______.
A.
run up
B.
run over
C.
run down
D.
run off
【单选题】京剧是由哪些地方戏演变发展而来( )
A.
三庆班，四喜班，春台班，和春班
B.
徽调，秦腔，湖北汉调，昆曲
C.
花鼓戏，粤剧，川剧，黄梅戏
D.
越剧，二人转，豫剧，花鼓戏
【简答题】This car has run a long thousand miles.
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