皮皮学，免费搜题
登录
搜题
【判断题】
空载电压是焊机自身所具有的一个电特性,所以与焊接电弧的稳定燃烧无关。( )A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】分析下图所示逻辑电路的功能，并改用异或门完成该功能。
【单选题】______ there were so many options, everyone was satisfied.
A.
If
B.
Why
C.
Because
D.
When
【简答题】分析下图所示逻辑电路的功能。
【单选题】Last Sunday, My friend and I drove to the Summer Palace in Beijing. We found there were so many
A.
244. Last Sunday, My friend and I drove to the Summer Palace in Beijing. We found there were so many cars here and there and we couldn’t find a place to _______ the car in. A．pause
B.
stop
C.
place
D.
Park
【简答题】A young mother thought that it was very wrong to waste any food when there were so many hungry people in the world. One evening, she was giving her small daughter her tea before putting her to bed. Fi...
【简答题】试分析下图所示逻辑电路的功能。
【单选题】Although there were so many people in the square, I could _____ my friend the moment he appeared. [ ]
A.
pick up
B.
make up
C.
set out
D.
pick out
【单选题】Sitting at the corner of the meeting room, he looked sad because there were so many problems ________.
A.
remaining to settle
B.
remained settling
C.
remaining to be settled
D.
remained to be settled
【单选题】There were so many cars held up by the heavy rain on the road that we had no but to wait.
A.
alternative
B.
difference
C.
relation
D.
opposition
相关题目：