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【单选题】
钢材的三项主要力学性能为 。A.
抗拉强度、屈服强度、伸长率
B.
抗拉强度、屈服强度、冷弯性能
C.
抗拉强度、伸长率、冷弯性能
D.
伸长率、屈服强度、冷弯性能
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反馈参考答案：
举一反三
【单选题】— Did Jim ride his bike to school this morning? — He _____ come to school by bike. He hasn't found his bike yet. [ ]
A.
may
B.
mustn't
C.
can
D.
can't
【多选题】关于产权比率,下列说法正确的有()
A.
它是衡量偿债能力的指标
B.
产权比率不宜过高，也不宜过低
C.
一般应小于1
D.
与资产负债率具有共同的经济意义
E.
一般应大于1
【单选题】下列关于产权比率的说法不正确的是( )。
A.
该指标反映企业基本财务结构是否稳定
B.
产权比率高,是高风险、高报酬的财务结构
C.
产权比率越高,表明企业的长期偿债能力越强
D.
该指标表明债权人投入的资本受到股东权益保障的程度
【单选题】________ arouses his interest can be found in the school library and that is why he goes there ________ happens.
A.
No matter what; whatever
B.
Whatever; no matter what
C.
Anything; no matter what
D.
Anything; whatever
【单选题】The lazy boy got up very late and went to school in a hurry. When he arrived at school, he found
A.
50. The lazy boy got up very late and went to school in a hurry. When he arrived at school, he found that he had put his socks on _______. A．outside
B.
inside out
C.
side out
D.
back out
【单选题】A student in our school will be immediately sent home if he is found __________ computer games at night.
A.
play
B.
playing
C.
to play
D.
played
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