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【判断题】
钢筋电渣压力焊的焊剂使焊接过程稳定,具有脱氧和掺合金的作用,使焊缝金属获得所需要的化学成分和力学性能。A.
正确
B.
错误
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【简答题】工作区子系统设计中,每 _ (1)__ 平方米为 1个工作区,对于增强型设计等级,每个工作区安排 __(2)__ 个信息插座。
【简答题】What do the occurring gasses above us act as?
【简答题】A．A bank clerk. B．A clerk in a post office. C．A school teacher. D．A shop assistant.
【多选题】What was the Homestead Act of 1862?
A.
It was a law signed by President Abraham Lincoln on May 20, 1862.
B.
It was a law signed by President Abraham Lincoln on May 20, 1887.
C.
In 1862, the Homestead Act was passed and signed into law. This Act provided that any person who claimed a plot of public land , or a homestead, on the Great Plains and farmed it for 5 years would be given 160 acres.
D.
In 1862, the Homestead Act was passed and signed into law. This Act provided that any person who claimed a plot of public land , or a homestead, on the Great Plains and farmed it for 20 years would be given 180 acres.
【单选题】What is the role of the Civil Rights Act of 1964? The aim of the Act is to______.
A.
forbid the diversity of the college students
B.
unify the racial composition of students and faculty
C.
influence student admission guidelines, financial aid distribution, and faculty hiring procedures.
D.
make students at colleges and universities in the United States more diverse and have no racial discrimination
【简答题】工作区子系统设计中，每（）平方米为1个工作区，对于增强型设计等级，每个工作区安排（）个信息插座。
【单选题】制作RJ-45水晶头有以下几个动作,其中正确的操作顺序为1用打线钳夹紧2铰齐线头3将双绞线电缆套管自端头剥去大约2厘米,露出4对线4根据线序标准排线5插入水晶头6将双绞线反向缠绕开
A.
③④⑥②⑤①
B.
③⑥④②⑤①
C.
③⑥②④⑤①
D.
③②⑥④⑤①
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