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【单选题】
轴压构件中,随荷载增加,钢筋应力的增长速度快于混凝土,这是因为:( )A.
钢筋的弹性模量比混凝土高
B.
钢筋的强度比混凝土高
C.
混凝土的塑性性能
D.
钢筋截面积比混凝土截面积小
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举一反三
【简答题】( )是企业与同行业的其他企业联合起来共同生产和经营某种产品和业务。
【单选题】According to the passage, parents have become increasingly interested in ______.
A.
their children's future occupations
B.
having smaller families
C.
adoption programs for childless couples
D.
child-rearing techniques
【简答题】单词拼写。(共10小题；每小题l分，满分l0分) 小题1:The r____________ of this museum lies in the variety of its art collection.. 小题2:The language in nursery rhymes is c____________ but imaginative. 小题3:Keep cloths cool by p...
【简答题】在跑马灯的实验上 编写一个定时为秒级的函数。delay(int s) 并验证。 答案为 写出所完成时间
【单选题】Little Tom admitted ______ in the examination, ______ that he wouldn’t do that in the future.
A.
to cheat; to promise
B.
cheating; promised
C.
having cheated; promising
D.
to have cheated; promised
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