题目内容

Make up your mind that whatever the short-term temptations may be, you will never ()from the highest standards of honor.

A. deviate
B. escape
C. derive
D. refrain

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When cooperating with the American specialists in the States, I ()myself of the opportunity to improve my English.

A. availed
B. allowed
C. deprived
D. indulged

Many of the fads of the 1970s ()as today's latest fashions.

A. are being revived
B. is revised
C. are revoked
D. is being reviled

已知某完整工业投资项目预计投产第1年的流动资产需用数100万元,流动负债可用数为40万元;投产第2年的流动资产需用数为190万元,流动负债可用数为100万元。则投产第2年新增的流动资金额应为( )万元。

A. 150
B. 90
C. 60
D. 30

钢板的弯曲为了不影响其力学性能,通常当______时必须热弯。

A. D/δ>40
B. D/δ=40
C. D/δ<40

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