皮皮学，免费搜题
登录
搜题
【简答题】
理想电压源的符号为 ; 外接任一电路后,其 总能保持给定的时间函数,而与流过电压源的电流大小无关 ;理想电流源的符号为 ;外接任一电路后,其向外电路提供的 总能保持为给定的时间函数,而与电流源两端的电压大小无关。
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】Don’t lose heart. It won’t be long ___________ you catch up with others.
A.
since
B.
until
C.
as
D.
before
【单选题】If we don’t hurry up, we won’t be ______ to catch the train.
A.
in time
B.
in no time
C.
at times
D.
at a time
【单选题】If you don't study hard, you won't ______ other students. [ ]
A.
come up with
B.
catch up with
C.
agree with
D.
play with
【单选题】______ quickly, _______ you won’t be able to catch the train.
A.
To get up; or
B.
Getting up; and
C.
Get up; or
D.
If getting up; but
【单选题】She ________ to catch the early train，but she didn’t get up in time.
A.
intended
B.
was intended
C.
had intended
D.
was intending
【单选题】_________ we hurry up, we won’t be able to catch the last bus.
A.
Except
B.
Without
C.
Even
D.
Unless
相关题目：
参考解析：
知识点：
题目纠错 0
发布
