2021答案 大学英语3(跨文化交际) 最新满分章节测试答案
Unit 1 Language (语言) Unit 1 单元测试
1、 问题:In number of native speakers and language learners, English is the __ language in the world.
选项:
A:first
B:second
C:third
D:fourth
答案: 【first】 点我阅读全文
1、 问题:In number of native speakers and language learners, English is the __ language in the world.
选项:
A:first
B:second
C:third
D:fourth
答案: 【first】 点我阅读全文
本答案对应课程为:点我自动跳转查看
本课程起止时间为:2019-09-07到2019-11-06
本篇答案更新状态:已完结
1、 问题: The theme of “Face to face with Hurricane Camille”
is _____.
选项:
A:Human
being is more important than anything else in the world.
B:John
has learnt a lesson from his own experience.
C:People
suffered from such a devastating hurricane.
D:Hurricane
Camille is the greatest storm ever to hit the United States.
答案: 【Human
being is more important than anything else in the world.】 点我阅读全文
本答案对应课程为:点我自动跳转查看
本课程起止时间为:2021-09-13到2021-12-05
本篇答案更新状态:已完结
1、 问题:附图电路中,求A、B端的戴维宁等效电路参数Voc和Ro。然后利用戴维宁等效电路参数,求诺顿等效电路参数Isc和Ro。
评分规则: 【 端口开路电压:Voc=40*(30/(10+30))=30V,答案正确得1分。
电压源短路,端口等效电阻:Ro=20+10||30=27.5Ω,答案正确得1分。
端口短路电流:Isc = Voc/Ro = 1.09A,写对公式得1分。 如果利用其它方式求解,答案正确得1分。 端口等效电阻相同:27.5Ω,不计分。
】 点我阅读全文