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【单选题】
假定某国以2015年的进出口商品价格与数量为基期，其2018年的出口价格指数为80，进口价格指数为120，出口数量指数为150，出口商品劳动生产率指数为120， 进口商品劳动生产率指数为110，则其单项因素贸易条件指数为（ ）。A.
66.7
B.
100
C.
80
D.
72.7
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【单选题】—Has your father got up? —Sorry, I’m not sure. He __________ got up. Please go and see for yourself.
A.
must have
B.
can’t have
C.
would have
D.
might have
【单选题】_______very late last night, my brother got up late and went to school without breakfast this morning. [ ]
A.
Working
B.
Having worked
C.
Worked
D.
To work
【单选题】Why does your brother want a new job ________ he's already got a very good one?
A.
where
B.
when
C.
which
D.
that
【单选题】Mary got up early________ she could prepare breakfast for her brother.
A.
so that
B.
although
C.
as if
D.
even if
【单选题】We think _______ more vegetables _______ good for our health.
A.
eating, are
B.
eating, is
C.
eating, are
D.
eatting, is
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