皮皮学，免费搜题
登录
搜题
【单选题】
在 图 所示电路中,已知 u I1 = 4 V , u I2 =1 V 。回答下列问题: 当开关 S 闭合时, A 、 B 、 C 、 D 和 u O 的电位 分别为( ) V ,( ) V ,( ) V ,( ) V , ( ) V 。A.
7v,4v,1v,-2v,-4v
B.
7v,-2v,1v,2v,-4v
C.
7v,4v,1v,2v,4v
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
【判断题】Is this a positive thought about a speech? Everyone’s nervous. If other people can handle it, I can too.
A.
正确
B.
错误
【单选题】If it _____ a handle, the new machine would seem friendly, deferential and at one's service.
A.
had been
B.
had
C.
would have
D.
were
【简答题】“寻寻觅觅，冷冷清清，凄凄惨惨戚戚”出自___的___ 。
【单选题】Don't handle the vase as if it ______ made of steel.
A.
is
B.
were
C.
has been
D.
had been
【判断题】A computer can store or handle any data even if it has not received information to do so.
A.
正确
B.
错误
相关题目：