皮皮学，免费搜题
登录
搜题
【单选题】
Some men are laughing ____. [ ]A.
quickly
B.
loud
C.
loudly
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】Except in rare cases, it is impossible to extinguish a shipboard fire by ______.
A.
removing the heat
B.
removing the oxygen
C.
removing the fuel
D.
interrupting the chain reaction
【单选题】Except in rare cases,it is impossible to extinguish a shipboard fire by（）.
A.
removing the heal
B.
removing the oxygen
C.
removing the fuel
D.
interrupting the chain reaction
【单选题】在直流稳压电源电路中滤波的目的是( )。
A.
将交流电压变为直流电压
B.
将高频电压变为低频电压
C.
滤除整流电路输出电压中的脉动成分
D.
稳定输出电压 (5.0分)
【单选题】他打开灯,发现房间里有一个陌生人, 大为惊异。
A.
When he turned off the light, he was amazed to find there was a stranger in hisroom.
B.
When he turned on the light, he was amazed to find there was a stranger in his room.
C.
When he turned up the light, he was amazed to find there was a stranger in his room.
D.
When he turned down the light, he was amazed to find there was a stranger in hisroom.
相关题目：
参考解析：
知识点：
题目纠错 0
发布
