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【单选题】
根据救生艇安全操作须知的要求,除救生演习外人数为:非机动艇不少于________人,机动艇不少于________人。
A.
43227
B.
43225
C.
43288
D.
43286
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参考答案:
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【简答题】曲线半径大小,对列车运行有什么影响?列车在曲线上运行时,产生曲线附加阻力的原因?
【单选题】— _____ are your trousers? — Black. [     ]
A.
How many
B.
These
C.
What colour
D.
Where
【单选题】This pair of trousers ____ Lucy's. Your trousers ____ on your bed.
A.
is; are
B.
is; is
C.
are; is
D.
are; are
【简答题】列车在曲线上运行时,产生曲线附加阻力的原因是什么?曲线半径大小,对列车运行有什么影响?
【单选题】Look! Your trousers are broken. Please go and buy another ____.
A.
trousers
B.
one
C.
pair
D.
ones
【单选题】————— your trousers legs and they won't get wet.
A.
turn on
B.
turn off
C.
turn up
D.
turn down
【单选题】Look! Your trousers are broken. Please go and buy another ____.
A.
trousers
B.
one
C.
pair
D.
ones
【单选题】Your trousers____ dirty.You must have____ washed.
A.
is;il
B.
are;it
C.
are;them
D.
is;them
【单选题】Your trousers ____dirty, you must have _____washed.
A.
is; it
B.
are; it
C.
are; them
D.
is; them
【简答题】列车在曲线上运行时,产生的曲线附加阻力的原因是什么?曲线半径的大小,对列车运行有什么影?
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