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【单选题】
电压型单相半桥逆变器的直流接有两个相互串联的 。
A.
容量足够小的电容
B.
小电感
C.
容量足够大的电容
D.
大电感
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举一反三
【简答题】是我国第一大淡水湖。
【单选题】下列对 “3D打印技术”的解说 不正确 的一项是
A.
3D打印技术,就是三维打印,也称“叠层制造”工艺,是快速成型技术的一种。
B.
3D打印技术的工作原理是:在平面上指定的位置放置并固化材料,逐层打印,以堆积成三维物体。
C.
3D打印技术的开发,从20世纪80年代开始,现在成熟地运用于医学、教育、军事、农业等领域。
D.
3D打印技术的优势在于可以制作出几乎任意形状、传统加工工艺无法精确完成的产品。
【单选题】During the internshi p, Chris does all the things except that ________.
A.
he often goes out drinking with his s
B.
he tries very hard to attract more s to invest in their company
C.
he does all the favors asked by his director
D.
he studies in the dim light in the church
【判断题】链表就是由 n 个结点、由指针链组成的一个线性表。它是线性表的链式存储映像,称为线性表的链式存储结构。
A.
正确
B.
错误
【单选题】Linux操作系统与Windows NT、NetWare、UNIX等传统网络操作系统最大的区别是( )。
A.
支持多用户
B.
开放源代码
C.
支持多处理器
D.
具有虚拟内存的能力
【简答题】And while he has been doing this, he has been learning other things as well, including many of the “______” that schools think only they can teach him, and many that are more complicated than the ones...
【单选题】They can teach ______ how to use a computer.
A.
theirs
B.
they
C.
them
D.
themselves
【单选题】下列不属于增值性物流服务的是( )。
A.
增加便利性的服务
B.
加快反应速度的服务
C.
物流信息处理
D.
定制服务
【单选题】一个线性表包含有n个数据元素,则次线性表的长度为:( )
A.
n-1
B.
n
C.
n+1
D.
n(n+1)/2
【简答题】And while he has been doing this, he has been learning other things as well, including many of the “______” that the schools think only they can teach him, and many that are more complicated than the ...
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