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【单选题】
钢筋弯曲成型时 , 受力钢筋顺长度方向全长的净尺寸允许偏差为 ( )A.
±5mm
B.
±10mm
C.
±15mm
D.
±20mm
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【简答题】微积分是高等数学的重要组成,其理论是由牛顿和()完成的。
【多选题】下列说法正确的是:
A.
详细调查的对象是现行系统。
B.
详细调查应遵循用户参与的原则。
C.
常见的详细调查方式有：召开调查会、访问、发调查表、参加业务实践等。
D.
详细调查主要针对管理业务调查进行。
【简答题】One of the most important social developments that helped to make possible a shift in thinking about the role of public education was the effect of the baby boom of the 1950s and 1960s on the schools....
【多选题】下列关于详细调查描述正确的是哪些（）。
A.
详细调查应该按照自顶向下的顺序全面展开
B.
初步调查的资料对详细调查也有辅作用
C.
详细调查是系统分析人员的工作和用户无关
D.
详细调查是应该遵循用户参与的原则
【单选题】During the 1990s boom Dell Computer's customers got hooked on speed. Most were willing to pay a premium to have their computers shipped by overnight air express. But today, the equation has flipped. C...
A.
customers used to attach importance to fancy packaging.
B.
there is a radical change in customers' considerations.
C.
it is high time that delivery service would better quality.
D.
customers now tend to choose speed over cost savings.
【简答题】The decade following World War I was a period of boom in the U.S. due to post-war optimism and a drastic change in the lifestyle of Americans.
【简答题】在碱土金属中,能被浓硝酸钝化的金属单质是 ;熔点最高的氧化物是 ;具有两性的氢氧化物是 ;碱性最强的氢氧化物是 ;溶解度最大的碳酸盐是 。
【简答题】微积分是高等数学的重要组成,其理论是由()和莱布尼兹完成的。
【单选题】According to the passage, when did Canada's baby boom begin?
A.
In the decade after 1911.
B.
After 1945.
C.
During the depression of the 1930s.
D.
In 1966.
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