【简答题】Bookstores are second homes for readers. Although many people can now buy books online, many readers still like the feeling in bookstores. They can touch(触摸) the books and smell the print. In China, t...
【多选题】电磁屏蔽是现代电子器件常用的技术手段,下面描述正确的包括
A.
由于导体中的交变信号(场)随着工作频率升高,进入导体内部呈现指数衰减,可以采用很薄的良导体阻挡高频干扰。
B.
利用多层屏蔽电缆结构可以制作高质量的屏蔽传输线。
C.
利用网格状的金属阑珊也可以制作低频电磁屏蔽室。
【单选题】At that time, many readers (found) (it) difficult (believing) what Jules Verne had written in his book (to be true).
【单选题】With the increasing number of readers, _________ copies of the magazine are needed. [ ]
【简答题】The most common fault among poor readers is the habitual of too many ______.
【多选题】应用微电子技术对机电一体化设计的意义包括
【单选题】Johnson is a very successful fashion designer and many people enjoy reading his .