As we all know, telephone wires are______ by a covering of rubber of paper.

admin2011-02-25  31

问题 As we all know, telephone wires are______ by a covering of rubber of paper.

选项 A、wedged
B、strapped
C、insulated
D、stiffened

答案C

解析 题意是:电话线通过一层橡皮纸而被______。  [C]insulated“使绝缘”,符合题意。  [A]wedged“楔入,楔进”,  [B]strapped“拿带子捆扎”,  [D] stiffened“使变硬,使僵硬”都与题意不符。
转载请注明原文地址:https://kaotiyun.com/show/Kjo7777K
0

随机试题
最新回复(0)