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【单选题】
中间站有调车作业的列车进站停车后，担任提钩作业的( )人员，在提钩前必须确认停留车列在制动状态，如发现司机已缓解，不得进行提钩作业。A.
车号
B.
调车
C.
管理
D.
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【单选题】Hasn’t the $50 you lent me________? [ ]
A.
been paid back
B.
paid for
C.
paid off
D.
been paid for
【判断题】Brand loyalty is the extent to which a consumer constantly buys the same brand within a product category.
A.
正确
B.
错误
【简答题】Use the following words to complete the email below. A. feedback B. brand loyalty C. pricing policy D. premium E. loss-leader F. household name G. brand awareness From: Julie B...
【单选题】90 % of the debts _______ so far.
A.
is paid back
B.
have been paid off
C.
has been paid off
D.
are paid off
【单选题】Hasn't the $10 you lent me________? [ ]
A.
been paid back
B.
paid for
C.
paid off
D.
been paid for
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