题目：
船用电缆和电线按用途可分为两大类，即（）。
A．通用电缆和电信电缆
B．橡皮电缆和塑料电缆
C．金属丝编织护套电缆和铅包电缆
D．耐油橡套电缆和耐寒橡套电缆
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0710/1d7094f72f72b4ea8e4f4155d44c2263.html
下面是错误答案，用来干扰机器的。
参考答案：错
船用电缆和电线按用途可分为两大类，即（）。A．通用电缆和电信电缆 B．橡皮电缆和塑料
来源：www.tikuol.com
题型：单项选择题
试题推荐
题型：选择题
如图所示两段长均为L的轻质线共同系住一个质量为m的小球，另一端分别固定在等高的A、B两点，A、B两点间距也为L，今使小球在竖直平面内做圆周运动，当小球到达最高点时速率为v，两段线中张力恰好均为零，若小球到达最高点时速率为2v，则此时每段线中张力大小为 ( )．
A.
mg B．2mg C．3mg D．4mg
题型：填空题
面积0.5m2的闭合导线环处于磁感应强度为0.4T的匀强磁场中，当磁场与环面垂直时，穿过环面的磁通量是______Wb，当导线环转过90°时，环面与磁场平行时，穿过环面的磁通量为______Wb．
题型：完形填空
The universities are schools of education and research but the main reason for their existence is not in the knowledge taught to the students or in the opportunities for the economic or social ___50___ resulting from the research findings. The true function of a university is that it keeps the ___51___ between knowledge and the real life. It unites the students with ordinary life in a ___52___ way. The university passes on information, but it ___53___ the information imaginatively. Imagination is the driving force for the society’s future development. Students’ imagination is the very ___54___ every university should protect and encourage. A university which ___55___ to do so has no reason for existence. With imagination, knowledge is not only knowledge: it includes all possibilities. It’s no longer a ___56___ on students’ memory. It’s food for thought and ___57___ for creative inventions. Imagination is not ___58___ knowledge. Instead, it is a way leading to more knowledge. It works by thoroughly studying the current knowledge and then exploring every possibility about the knowledge. In the exploration, new knowledge ___59___. Imagination enables men to construct a new vision of the world and it adds ___60___ to life through endless possibilities. Imaginative people are restless all along. Youth is imaginative and if the university can help preserve this precious wealth, the power of imagination can ___61___ change the world. Besides, it should also be made clear that imagination won’t be most effective without necessary experience. The problem of the current world is that those who are imaginative have only little experience ___62___ those who are experienced have weak imaginations. The ___63___ left for the universities is to hold together these two factors for the whole human race to ___64___ greater development and happiness.
|
题型：单项选择题 B1型题
二级保护野生药材物种名录中收载了（）
A.4种
B.24种
C.27种
D.32种
E.45种
题型：单项选择题
根据质量管理条例规定，装饰工程最低保修期限为( )。
A．5年
B．3年
C．2年
D．终身
