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【单选题】
This train will ____ in two hours, if it's refunded, a 20% cancellation fee will be applied. Will you refund it?
A.
come
B.
depart
C.
departure
D.
be departed
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【简答题】Radar is used to extend the ________ of man’s sense of observing his environment, especially the sense of vision. A) validity B) liability C) capability D) intensity
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【单选题】____ radar is to airplanes and ships, ______ eyes are to human's body.
A.
Such...as
B.
Just...as
C.
Such as...so
D.
Just as... so
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【单选题】次数大于0的多项式在哪个数域上一定有根
A.
复数域
B.
实数域
C.
有理数域
D.
不存在
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【单选题】In restricted visibility the speed of a vessel without operational radar may be ________ enable effective avoiding action to be taken on sighting another ship．
A.
too low to
B.
too high to
C.
too high for
D.
too low for
查看完整题目与答案
【单选题】My radar is not working．I require shorebased radar assistance．Is shorebased radar assistance ________ ？
A.
used
B.
available
C.
in use
D.
can be used
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【单选题】最小的数域是什么?
A.
有理数域
B.
实数域
C.
整数域
D.
复数域
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【判断题】The welfare service in Britain only provides allowances and pensions for those jobless and retired people.
A.
正确
B.
错误
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【单选题】最下的数域是什么?
A.
有理数域
B.
实数域
C.
整数域
D.
复数域
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【判断题】有理数域 Q 是 R(i) 的真子域, R(i) 是实数域 R 的真子域, 实数域 R 是复数域 C 的真子域.
A.
正确
B.
错误
查看完整题目与答案
【单选题】_____ radar is to air plane and ships, _____ eyes are to human body.
A.
Such as…that
B.
Just like…to
C.
Such as…so
D.
Just as…so
查看完整题目与答案
相关题目：
【简答题】Radar is used to extend the ________ of man’s sense of observing his environment, especially the sense of vision. A) validity B) liability C) capability D) intensity
查看完整题目与答案
【单选题】____ radar is to airplanes and ships, ______ eyes are to human's body.
A.
Such...as
B.
Just...as
C.
Such as...so
D.
Just as... so
查看完整题目与答案
【单选题】次数大于0的多项式在哪个数域上一定有根
A.
复数域
B.
实数域
C.
有理数域
D.
不存在
查看完整题目与答案
【单选题】In restricted visibility the speed of a vessel without operational radar may be ________ enable effective avoiding action to be taken on sighting another ship．
A.
too low to
B.
too high to
C.
too high for
D.
too low for
查看完整题目与答案
【单选题】My radar is not working．I require shorebased radar assistance．Is shorebased radar assistance ________ ？
A.
used
B.
available
C.
in use
D.
can be used
查看完整题目与答案
【单选题】最小的数域是什么?
A.
有理数域
B.
实数域
C.
整数域
D.
复数域
查看完整题目与答案
【判断题】The welfare service in Britain only provides allowances and pensions for those jobless and retired people.
A.
正确
B.
错误
查看完整题目与答案
【单选题】最下的数域是什么?
A.
有理数域
B.
实数域
C.
整数域
D.
复数域
查看完整题目与答案
【判断题】有理数域 Q 是 R(i) 的真子域, R(i) 是实数域 R 的真子域, 实数域 R 是复数域 C 的真子域.
A.
正确
B.
错误
查看完整题目与答案
【单选题】_____ radar is to air plane and ships, _____ eyes are to human body.
A.
Such as…that
B.
Just like…to
C.
Such as…so
D.
Just as…so
查看完整题目与答案