皮皮学，免费搜题
登录
搜题
【单选题】
如图所示，为Y-△降压起动控制电路，若因电路接线原因致使主触头KM1、KM2、KM3同时闭合，则电机会出现______。【图片】A.
电机能Y起动
B.
电机只能Y起动、运转
C.
电机只能△起动、运转
D.
FU1- FU3熔断器熔断
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】一、单词辨音：（共5小题；每小题1分，满分5分） 1. honest A. m o ney B. fond C. h o me D. move 2. wise A. lo s e B. mouse C. hou s e D. horse 3. match ...
【单选题】Given these events: 1. active sites on actin myofilament are exposed. 2. actin myofilament slides over myosin myofilament. 3. Ca++ ion binds to troponin. 4. myosin heads move. 5. cross bridges form. C...
A.
4,3,2,1,5.
B.
3,1,5,4,2.
C.
3,2,5,4,1.
D.
2,4,3,5,1.
E.
1,2,3,4,5
【简答题】朗读下面文章,并录音 She left a mess. Her bathroom is an embarrassment of damp towels, rusted shaving blades, hair in the sink, and nearly empty tubes of toothpaste. I bring a box of big black garbage bags upst...
【简答题】She left a mess. Her bathroom is an __1__ of damp towels, rusted shaving blades, hair in the sink, and nearly empty tubes of toothpaste. I bring a box of big black garbage bags upstairs. Eye shadow, f...
【单选题】— What were you doing when I phoned you yesterdayevening? — I ____ just finished my homework and I ____ to watch TV. [ ]
A.
have; am going
B.
have; was going
C.
had; was going
D.
had; am going
【简答题】Match 1 - 7 with a - h. ► You type d 1 You open ____ 2 You print out ____ 3 You cut ____ 4 You click on ____ 5 You make ____ 6 You move ____ 7 You save ____ a a pape...
【单选题】下列程序的运行结果为()。 #include using namespace std; class A{ int a,b; public: A(int i,int j){ a = i; b = j; } void move(int x, int y){ a += x; b += y; } void show(){ cout<<"("<
A.
(1,2) 5,6 (6,9)
B.
(1,2) (5,6) (6,9)
C.
(1,2) 3,4 (6,9)
D.
(1,2) 5,6 (3,4)
【简答题】1 separate and different in a way that is clear 2 the full range of things that sb. or sth. can do 3 to gently move your hand over skin, hair, or fur 4 to develop and become different after being th...
【多选题】rusted | impersonal| embarrassment | mess | upstairs She left a__1__. Her bathroom is an__2__ of damp towels, __3__shaving blades , hair in the sink, and nearly empty tube s of toothpaste . I bring a ...
A.
mess
B.
embarrassment
C.
rusted
D.
upstairs
E.
impersonal
相关题目：
【单选题】下列程序的运行结果为()。 #include using namespace std; class A{ int a,b; public: A(int i,int j){ a = i; b = j; } void move(int x, int y){ a += x; b += y; } void show(){ cout<<"("<
A.
(1,2) 5,6 (6,9)
B.
(1,2) (5,6) (6,9)
C.
(1,2) 3,4 (6,9)
D.
(1,2) 5,6 (3,4)