皮皮学,免费搜题
登录
搜题
【单选题】
电源电动势E=6V,内阻R 0 =3Ω,当负载获得最大功率时,负载电阻R为( )
A.
R=1.5Ω
B.
R=3Ω
C.
R=6Ω
D.
不能确定
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】沉迷于网络尤其是网络游戏,已成为近年来青少年刑事犯罪率升高的重要原因之一。
A.
正确
B.
错误
【简答题】动词填空 小题1:---Did you notice a boy in blue pass by just now? ---No, sir.  I ________(watch) the TV news about Yao Ming. 小题2:Mr.  Smith writes short stories, but he _____ ( write ) a TV play these days. ...
【简答题】Many famous people had dreams when they were young. They often worked hard to make their dreams come true. When I was only 13 years old, I first thought about what I should do in the future. I used to...
【简答题】沉迷于网络尤其是网络游戏,已成为近年来青少年()升高的重要原因之一。
【简答题】Reading comprehension. Many famous people had dreams when they were young. They often worked hard to make their dreams come true. When I was only 13 years old, I first thought about what I should do i...
【判断题】沉迷于网络尤其是网络游戏,已经成为近年来青少年刑事犯罪率升高的重要原因之一。( )
A.
正确
B.
错误
【单选题】沉迷于网络尤其是(),已成为近年来青少年刑事犯罪率升高的重要原因之一。
A.
网络购物
B.
网络交往
C.
网络游戏
D.
网络学习
【单选题】Part A Directions: You will hear 10 short dialogues. For each dialogue, there is one question and four possible answers. Choose the correct answer ― A, B, C or D, and mark it in your test booklet. You...
A.
That they take the children to an amusement park after giving them cake and ice - cream.
B.
That they let the children amuse themselves after giving them cake and ice -cream.
C.
That they arrange some games for the children and then give them cake and ice - cream.
D.
That they let the children amuse themselves and then give them cake and ice -cream.
【单选题】叠云纹也是云纹的一种变化形式,请问在下面哪个朝代非常流行?
A.
春秋战国时期
B.
明代
C.
商周时期
D.
清代
【单选题】欧洲短期资金借贷市场的资金去向主要是 ( )
A.
. 商业银行
B.
中央银行
C.
. 国际组织
D.
. 外国政府
相关题目: