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【单选题】
以下反映企业长期偿债能力的指标是( )A.
流动比率
B.
资产负债率
C.
存货周转率
D.
销售毛利率
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反馈参考答案：
举一反三
【简答题】．如图，正方体ABCD－A 1 B 1 C 1 D 1 中，AC与B 1 D所成的角为 度
【单选题】We have to investigate as _________ customers as possible in order to make sure of the potential of the market.
A.
many
B.
much
C.
more
D.
most
【单选题】We learn from Paragraph 2 that outside directors are supposed to be______.
A.
generous investors
B.
unbiased executives
C.
share price forecasters
D.
independent advisers
【单选题】.This piece of evidence doesn’t _______ what the other witness said. We have to conduct a full investigation.
A.
fit in with
B.
keep up with
C.
come to terms with
D.
stay in touch with
【简答题】如图， 在正方体ABCD—A 1 B 1 C 1 D 1 中，E，F分别是正方形A 1 B 1 C 1 D 1 和ADD 1 A 1 的中心，则EF和BD所成的角是 。
【简答题】如图，在正方体ABCD-A 1 B 1 C 1 D 1 中，求证：平面A 1 BD∥平面CD 1 B 1 ．
【单选题】The hardware makers ______.
A.
have obtained enormous profits from the operation
B.
have invested heavily on the research of new products
C.
have helped doctors and hospitals gain more experience
D.
have successfully proved the effectiveness of their products
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