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【单选题】
All the students have to take the exam ______.A.
in a turn
B.
in turn
C.
in their turns
D.
in the turn
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举一反三
【单选题】As the chairman of the students' union, Thomas was said ______ other students in need.
A.
to help
B.
to be helping
C.
to have helped
D.
to have been helped
【简答题】A．Because students need individual attention. B．Because students need to be stimulated. C．Because students need exactly the same instruction. D．Because students don't know how to learn.
【单选题】国际上通常采用负债率这个指标来衡量一国在某一时点的外债负担,负债率是指( )
A.
外债余额 / 国内生产总值
B.
外债余额 / 出口外汇收入
C.
外债余额 / 国民生产总值
D.
外债还本付息额 / 出口外汇收入
【简答题】At school the students need to increase their knowledge in an organized way and __________________(获得足够的科学词汇来进行有效的学术交际)
【单选题】-Do you have enough students to clean the laboratory? -No, I think we need ___________ students. [ ]
A.
another
B.
two others
C.
more two
D.
two more
【单选题】国际上通常采用负债率这个指标来衡量一国在某一时点的外债负担，负债率是指( )
A.
外债余额/生产总值
B.
外债余额/口外汇收入
C.
外债余额/民生产总值
D.
债还本付息额/口外汇收入
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