皮皮学，免费搜题
登录
搜题
【判断题】
焊接速度过快时,焊道变窄,熔深和变小。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
【单选题】Scientists generally hold that language has been so long in use that the length of time writing is known to cover is ______ in Comparison.
A.
overwhelming
B.
uninspiring
C.
astounding
D.
trilling
【单选题】The major problem with E-mail is that it is(71)easy to use that people can become(72)with messages(73)they can possibly answer in a day. In addition, mail boxes require some management to(74)messages ...
A.
too
B.
so
C.
very
D.
much
【单选题】Scientists generally hold that language has been so long in use that the length of time writing is known to cover is______ in comparison.
A.
overwhelming
B.
uninspiring
C.
astounding
D.
trifling
【单选题】The major problem with E-mail is that it is (1) easy to use that people can become (2) with messages. (3) they can possibly answer in a day. In addition, mail boxes require some management to (4) mess...
A.
too
B.
so
C.
very
D.
much
【简答题】交流异步电动机的调速方式主要有________ 、________和________三种方式。
相关题目：