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【简答题】
直流电机单叠绕组的并联支路对数为 ,绕组的并联支路对数 。
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举一反三
【多选题】On Valentine's Day, what presents are given between couples in love?
A.
candy
B.
flowers
C.
chocolate
【单选题】关于轮胎胎面花纹深度,下列说法不正确的是
A.
轮胎胎面花纹深度过浅，容易爆胎。
B.
轮胎胎面花纹深度过浅，会使汽车操纵稳定性变坏。
C.
轮胎胎面花纹深度过浅，会使车轮发生水滑的可能性变大。
D.
轮胎胎面花纹深度过浅时，应进行翻新处理。
【简答题】Formez des noms d’action avec les verbes suivants. (10 points) 1. lutter ________ 2. ordonner ________ 3. utiliser ________ 4. propager________ 5. envoyer __________
【简答题】风险的构成要素包括( )、( )和( )
【单选题】The couples’ love was _____ when the husband was crippled in the car accident.
A.
stood the test
B.
put to the test
C.
plunged into
D.
packed up
【单选题】Love can't conquer all. So, before couples tie the knot, they should know what they're getting into. The taboo against couples living together before marriage is decreasing, and more and more people a...
A.
getting acquainted with each other
B.
dating each other
C.
living together before marriage
D.
getting married
【单选题】听力原文：WA I love the office buildings around here. You see that one across the street—with the nice ledge? Look at those huge windows... wouldn't that be a great place for an office? MA You know, there ...
A.
The price of local real estate
B.
The beauty of the local architecture
C.
The area where the man's office is located
D.
The number of office buildings in the city
【单选题】利用叠加定理求支路量,当有多个独立源作用时,任一支路的电流(或电压)都是电路中各独立源单独作用时,在该支路产生的电流(或电压)的代数和。当某一电源单独作用时,其它电源应置零,即( )。
A.
电压源置零用“开路”代替,电流源置零用“短路”代替
B.
电压源置零、电流源置零都用“开路”代替
C.
电压源置零、电流源置零都用“短路”代替
D.
电压源置零用“短路”代替,电流源置零用“开路”代替
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