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【单选题】
某企业每月固定成本1000元，单价10元，计划销售600件。欲实现目标利润800元，其单位变动成本为( )。A.
6元
B.
7元
C.
8元
D.
9元
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【简答题】输出电流从0.1 上升到0.9 所需的时间称为
【单选题】关于工程施工中遗漏钢筋事故分析，以下说法正确的是( )
A.
框架外转角顶节点中,来自梁中的上部负筋,必须按规范和设计要求伸过节点,锚固于柱内一定长度(Ld及2Ld)
B.
选项A中做法不能阻止因梁内钢筋锚固长度不够而引起结构破坏。
C.
选项A中做法并不能提高节点抗震能力。
D.
以上说法都不正确。
【简答题】(Short answer) Convert each binary number to hexadecimal: (a) 1011 (b) 11111 (c) 10101010 (d) 10101100
【简答题】(Short answer)Convert each binary number to octal: (a) 1111; (b) 11001 ; (c) 101010 ;(d) 10101111
【简答题】what issue does the clip talk about?
【单选题】What does the clip mainly talk about?
A.
The new building project in South Thhames College might stop because the school doesn't have enough money.
B.
The new building project has led to South Thhames College's increasing amounts of debt.
C.
The increasing enrollment in South Thames College make the school start the new buiding project.
D.
South Thhames College gives its old building a refurbishment because the builing is erous.
【简答题】What does a teacher make according to the video clip?
【简答题】What does linking mean according to the video clip？
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