皮皮学,免费搜题
登录
搜题
【单选题】
如图所示,正弦电流通过纯电感元件时,下列关系式正确的是( )。
A.
U=jwLi
B.
μ=wLi
C.
Φi=Φμ+π/2
D.
μ=i/Wl
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】The study of how sounds are put together and used to convey meaning in communication is ______.
A.
morphology
B.
general linguistics
C.
phonology
D.
semantics
【判断题】工人阶级同民族资产阶级的矛盾属于敌我矛盾。
A.
正确
B.
错误
【判断题】Edmund used to put all his heart on his work.( )
A.
正确
B.
错误
【简答题】Ever so long ago ,two young men , Edmund and Oswald, appeared in court. Edmund said to the : “I gave Oswald , who I was my best friend, a costly gold ring and I asked him to it till I returned home. N...
【单选题】—You missed the bus, didn't you? —Yes, I did. When I ____ the station, it had already left. [     ]
A.
reached
B.
got
C.
arrived
D.
rode
【简答题】在我国社会主义建设初期,工人阶级同民族资产阶级的矛盾属于敌我矛盾。判断对错
【单选题】第一次鸦片战争的时间是( )
A.
1840年
B.
1842年
C.
1856年
D.
1860年
【单选题】利用()可以很方便地对表中的单条记录以及所有记录进行数学计算。
A.
键盘输入
B.
字段计算器
C.
编辑器
D.
创建要素
【单选题】It can be inferred from the second paragraph that the consumers used to be put at a disadvantage in a large part due to
A.
inefficient advertising.
B.
underrated slogan.
C.
medium handicap.
D.
rampant dishonesty.
【单选题】lWhy are Valentine boxes used on Valentine's Day?
A.
To put homework in.
B.
To put books in.
C.
To put valentine cards in.
相关题目: