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【单选题】
采用星形-三角降压起动的电动机,正常工作时定子绕组接成( )。A.
三 角形
B.
星 形
C.
星形或角形
D.
定子绕组中间带抽头
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皮皮学刷刷变学霸
举一反三
【单选题】What is NOT the cause of the recent explosion in academic movement?
A.
Many scholars like to find an isolated place in a remote area so that they can concentrate on their researches.
B.
Planes can take scholars here and there.
C.
There are more people working in similar fields than before.
D.
There are more learning centres than before.
【单选题】分析下列程序 class Class1 { ushort u1; public Class1(ushort u) { this.u1=u; } } 则以下哪条语句能够正确创建对象?
A.
Class1 c1=new Class1('u');
B.
Class1 c1=new Class1("u");
C.
Class1 c1=new Class1();
D.
Class1 c1=new Class1(5.7);
【单选题】分析下列程序 public class People { int age=8; public int Age { get { return age;} // 只读不可写 } } 则调用下列语句,输出的是?【 】 People p=new People(); Console.Write(p.Age++);
A.
8
B.
9
C.
编译错误
D.
0
【单选题】分析下列程序: public class class4 {private string _sData = ““; public string sData{set{_sData = value;}}}//只写属性!在Main 函数中,成功创建该类的对象obj 后,下列哪些语句是合法
A.
obj、sData = “It is funny!”;
B.
Console、WriteLine(obj、sData);//没有get体
C.
obj、_sData =100; //不能访问private
D.
obj、set(obj、sData);//没有set方法
【单选题】According to the passage, many scholars and specialists ______.
A.
believe that Asian-American students have higher I.Q.s and are relatively faster learners
B.
attribute Asian-American students' special academic success to their cultural background influences
C.
claim that Asian American students excel in academic performance because of the superior education of their elite parents
D.
agree that Asian or Asian American parents are apt to get their children motivated to work hard
【单选题】分析下列程序 public class People { int age=8; public int Age { get { return age;} } } 则调用下列语句,输出的是? 【 】 People p=new People(); Console.Write(p.Age++);
A.
8
B.
9
C.
编译错误
D.
0
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