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【多选题】
下列属于规模经济的原因是()A.
规模扩大有利于专业分工
B.
规模扩大有利于厂商充分地开发和利用副产
C.
规模扩大使厂商生产要素的购买拥有更多的优势
D.
规模扩大使厂商产品的销售拥有更多的优势.
E.
规模扩大使厂商可以使用更加先进的生产技术
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【单选题】When we see well, we do not think about our eyes very often. It is only when we cannot see perfectly that we realize how important our eyes are. People who are nearsighted can only see things that are...
A.
only when we cannot see perfectly
B.
only when we can see well
C.
even if we can see well
D.
only when we realize how important our eyes are
【单选题】We can see the sun ________ day, but we can't see ________ night. [ ]
A.
in, at
B.
in the, at
C.
in, at the
D.
at, in the
【单选题】. It is only when we cannot see clearly _____ we come to see ______ important our eyes are.
A.
that; what
B.
which; what
C.
that; how
D.
which; how
【单选题】We won’t see any flowers until May .
A.
We will see flowers only in May.
B.
We won’t see flowers after May.
C.
We will see flowers before May.
D.
We will see flowers when May comes.
【单选题】It can be learned from the first two paragraphs that ______.
A.
even prestigious universities struggle to enroll excellent students
B.
campus environment plays an important role in recruiting students
C.
universities in Britain are unbalanced in student enrollment
D.
top universities in the U.K. are all funded by the government
【简答题】Besides those, what can we see through television? We still can see political______ and the latest exciting ______.
【简答题】When we can see well, we do not think about our eyes often: It is only when we cannot see perfectly that we come to see how important our eyes are. People who are nearsighted（近视的） can only see things ...
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