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【单选题】
电压源和电流源的输出端电压A.
均随负载的变化而变化
B.
均不随负载的变化而变化；
C.
电压源的输出端电压不变，电流源输出端电压随负载而变化；
D.
电流源的输出端电压不变，电压源输出端电压随负载而变化。
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】A: Pre-listening Question: What do you know about rhinoceros? _______________________________________
【单选题】Passage Listening Question 11-14 `What did Wan Hu in Ming Dynasty want to do?
A.
He tried to become an inventor of his time.
B.
He wanted to be a government official.
C.
He attempted to be the first astronaut.
D.
He dreamed of traveling around the world.
【简答题】A. Pre-listening Question What do you know about ways of blowing bubbles? _______________________________________________
【单选题】Passage Listening Question 11-14 Which is not mentioned that should be done to prepare for an unexpected snow day?
A.
Restock your supplies before the snow comes.
B.
Have plenty of craft supplies on hand.
C.
Have plenty of medicine on hand for your kids and their friends.
D.
Charge your cell phones.
【多选题】11导游讲解的方式是指导游人员向游客进行景物介绍所采取的形式,导游讲解的方式主要分为_____。
A.
面上讲解
B.
线上讲解
C.
点上讲解
D.
即兴讲解
E.
重点讲解
【简答题】Extensive Listening Question: How did God test Abraham’s love?
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