【简答题】练习(10min) QUIZ 1. In tune with the climate in Sichuan, what food do the people there like best? A. Salty B. sour C. spicy D. sweet 2. What do you need when cooking? A. English book B. calculato...
【判断题】当电磁力矩大于弹簧反力矩时,可动衔铁被吸合,常开接点断开,常闭接点闭合。
【单选题】当线圈断电时,电磁吸力消失,衔铁在反作用弹簧力的作用下释放,各触点随之复位。动作顺序是?
A.
使动合触点(常开触点)断开 , 动断触点(常闭触点)闭合。
B.
使动合触点(常开触点)断开 , 动断触点(常闭触点)断开。
C.
使动合触点(常开触点)闭合 , 动断触点(常闭触点)闭合。
D.
使 动断触点(常闭触点)闭合, 动合触点(常开触点)断开 。
【简答题】QUIZ 1. In tune with the climate in Sichuan, what food do the people there like best? A. Salty B. sour C. spicy D. sweet 2. What do you need when cooking? A. English book B. calculator C. flow...
【简答题】选出不同类一项 1. () A. colour B. white C.red 2. () A. sour B. taste C.sweet 3. () A. bike B. train C.sound 4. () A. animals B. tiger C.panda 5. () A. toys B. robot C.kite
【单选题】( 3 ) Sour, sweet, bitter, spicy and salty, will sometimes be in a single recipe
【单选题】如题1图, 当线圈断电时,电磁吸力消失,衔铁在反作用弹簧力的作用下释放,各触点随之复位。动作顺序是?
A.
使动合触点(常开触点)断开 , 动断触点(常闭触点)闭合。
B.
使动合触点(常开触点)断开 , 动断触点(常闭触点)断开。
C.
使动合触点(常开触点)闭合 , 动断触点(常闭触点)闭合。
D.
使 动断触点(常闭触点)闭合, 动合触点(常开触点)断开 。
【简答题】把下列图片与相应内容搭配起来。 1. 2. 3. 4. 5. ( ) ( ) ( ) ( ) ( ) A. hot B. sour ...
【简答题】A: 1 B: I enjoy the pudding you make at home, sandwiches, apple pies and beef. Your meat is so tasty too. A: 2 B: Do you like Chinese food? A: 3 Especially sweet and sour dishes, B: I think your food ...