皮皮学，免费搜题
登录
搜题
【单选题】
石油沥青油毡和油纸的标号是以( )来划分的。A.
油毡、油纸的耐热温度(℃)
B.
油毡、油纸的抗拉强度(MPa)
C.
油毡、油纸的单位重量(kg/m 2 )
D.
油毡、油纸的纸胎原纸的单位重量(g/m 2 )
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】England and France are separated by 22 miles of open ocean at their closest point. Attempts to swim the English Channel have been made by people of all ages and from various walks of life. Each swimme...
A.
For a swimmer, conquering the English Channel is the dream of a lifetime.
B.
Many people have set shining examples in the marvelous conquering of the Channel.
C.
The invaluable advice provided by the Channel Swimming Association is the key to success.
D.
Luck and good timing play the most important part in the Channel swimmers' success.
【简答题】阅读材料，根据要求完成教学设计。 下面为初中物理某教材“电磁铁”一节中“探究电磁铁的磁性与哪些因素有关”的演示实验。 演示： 把滑动变阻器、电流表和一定匝数的线圈（内部有铁钉）串联起来，通过开关接到电源上。 调整变阻器的滑片，改变电路中的电流。观察通入不同大小的电流时，电磁铁吸引曲别针的数目有什么变化。 改换不同匝数的螺线管，比较不同匝数电磁铁的磁性。 任务： （1）说明教材中“改换不同匝数的螺线...
【简答题】把矩阵A分解为一个下三角矩阵L、上三角矩阵U和一个置换矩阵P的命令是( )
【单选题】Which of the following is closest to the point Postman is trying to make in this essay?
A.
Euphemism, by introducing new ways of labeling old notions into the vocabulary of a language, alters language user's conception of the world.
B.
Euphemism is not a contemptible process because a name is nothing more than a label, and giving pretty names to ugly realities will not alter people's perception of them.
C.
More than the coinage of an alternative for a less agreeable term in a language, euphemism is a useful means in effecting change in language user's beliefs and attitudes when such a change is called for by social trends.
【单选题】以下不属于在提供应税服务、开具增值税专用发票后，应按国家税务总局的规定开具红字增值税专用发票的情形的是( )。
A.
应税服务中止
B.
应税服务折让
C.
现金折扣
D.
开票有误
相关题目：
参考解析：
知识点：
题目纠错 0
发布
