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【简答题】
如图所示电路,A、B间有4个电阻器串联,且R2=R4,电压表V1示数为6V,V2示数为8V,则A、B之间电压UAB为_____V。
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【单选题】王女士,55岁,连续应用抗菌素达半个月,其口腔粘膜出现白色溃疡面,可考虑为( )
A.
病毒感染
B.
口腔白斑
C.
口腔真菌感染
D.
口腔寄生虫感染
E.
口腔绿脓杆菌感染
【简答题】安培定律是表示( )的定律。
【单选题】下列哪条定律不是Maxwell方程组的里的内容()
A.
高斯定律
B.
安培定律
C.
楞次定律
D.
法拉第定律
【单选题】以下哪项不是安培提出的?
A.
力场
B.
安培定律
C.
电流强度公式
D.
安培定则
【单选题】关于安培定律,下列说法正确的是:
A.
安培定律解决了两个电流元之间的磁力满足的物理规律,类似于两个磁铁之间的力。
B.
安培设计的无定向称是受库伦的扭秤启发,可以用来测量是否存在安培力。
C.
安培定律指出,两个电流元之间一定有力的作用。
D.
两根平行放置的载流导线,通有同向电流,二者相互排斥。
【简答题】下列哪些战略类型的市场增长率较高( )。
【单选题】Section A Directions: In this section, you will hear 8 short conversations and 2 long conversations. At the end of each conversation, one or more questions will be asked about what was said. Both the ...
A.
Commenting on a picture.
B.
Looking at some paint
C.
Painting a picture.
D.
Comparing two paintings.
【简答题】在匀强磁场中,当载流导线与磁场垂直时,导线所受安培力的大小等于导线中的____ 、____ 、____ 的乘积。这就是安培定律。
【单选题】听力原文:M: Our headmaster has been busy since last month. He never stops working until twelve o'clock at night as I know. W: I should never have troubled him so much, had I known he was so busy. Q: What ...
A.
The woman has troubled the headmaster.
B.
The woman has not troubled the headmaster.
C.
The headmaster has not been busy this month.
D.
The man has troubled the headmaster very much.
【多选题】Part III True or False (20 points, 2 points for each). Listen to 2 conversations and write T for true/F or false 判断题.mp3: Conversation
A.
1. Beth made some phone calls last week. 2. Beth dialed a wrong number four times. 3. Raul’s sister doesn’t speak English. 4. Beth’s mother is always on the phone. 5. Beth got a cheaper plane ticket to Caracas. Conversation
B.
6. Brandon has a brother. 7. Brandon had a birthday last week. 8. Brandon was a good boy before. 9. Brandon didn’t change. 10. Lee has two infants.
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