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【单选题】
马氏体转变时，晶体结构的改组是依靠（）进行的。
A.
滑移方式
B.
切变形式
C.
扩散方式
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A.
out
B.
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C.
free
D.
far
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【多选题】航空作业包括()
A.
公务航空
B.
飞行训练
C.
航空科研
D.
农业航空
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【多选题】通用航空除了航空作业外,其他类通用航空包括哪些?
A.
公务航空
B.
航空体育活动
C.
飞行训练
D.
私人航空
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【单选题】It can be inferred that ______.
A.
people are not allowed to drive after they drink one quarter in the evening
B.
people are still allowed to drive after they drink one quarter in the evening
C.
people are still allowed to drive after they drink one pint at lunchtime
D.
None.
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【单选题】After several nuclear disasters, a______has raged over the safety of nuclear energy.
A.
quarrel
B.
suspicion
C.
verdict
D.
controversy
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【单选题】According to a recent official report, Britain’s economy grew ________ the first quarter of the year.
A.
half as fast as
B.
half faster than
C.
half fast as
D.
as half fast as
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【简答题】阅读理解。 The meeting lasted three hours. Mr. Jackson looked at the clock on the wall. It was a quarter to eight. 'The last bus started fif minutes ago,' thought the man, 'It means I'll have to stay i...
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【单选题】The plant products have been carefully inspected and are considered to be ( ) from any quarantine pests.
A.
out
B.
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C.
free
D.
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【多选题】航空作业包括()
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