each series section of a series pipeline A: head loss equal B: total energy loss equal C: hydraulic gradient equal D: flow rate equal

调用以下类D和E的main() 方法的输出结果为？class D { public static void main(String[] args) { String s1 = new String("hello"); String s2 = new String("hello"); if (s1.equals(s2)) System.out.println("equal"); else System.out.println("not equal"); }} class E { public static void main(String[] args) { StringBuffer sb1 = new StringBuffer("hello"); StringBuffer sb2 = new StringBuffer("hello"); if (sb1.equals(sb2)) System.out.println("equal"); else System.out.println("not equal"); }} A: D: equal; E: equal B: D: not equal; E: not equal C: D: equal; E: not equal D: D: not equal; E: equal

Women must fight for the right _____ equal pay for equal work.

___, I would buy the red coat not the green one. A: To be equal to other things B: Other things being equal C: Other things to be equal D: Were other things to be equal

A perpetuity is defined as a sequence of A: equal cash flows occurring at equal intervals of time for a specific number of periods. B: equal cash flows occurring at equal intervals of time forever. C: unequal cash flows occurring at equal intervals of time forever. D: unequal cash flows occurring at equal intervals of time for a specific number of periods.

Equal opportunity means an equal chance for good education and a good job.

假设有String a="A"；char b＝'A'; char c=65，下面选项中正确的是( )。 A: if(a== {Systeouprint("Equal")} B: if(c== {Systeouprint("Equal")} C: if(a== {Systeouprint("Equal")} D: if(c== {Systeouprint("Equal")}

下列语句中，在字符串s1和s2相等时显示“they are Equal”的是( )。 A: if(*s1==*s2) puts("they are Equal")； B: if(!strcmp(s1,s2)) puts("they are Equal")； C: if(s1==s2) Puts("they are Equal")； D: if(strcmp(s1,s2)) puts("they are Equal")；

下列语句中，在字符串s1和s2相等时显示"they are Equal"的是( )。 A: if(*s1＝＝*s2) B: if(!strcmp(s1,s2)) puts("they are Equal"); puts("they are Equal"); C: if(s1＝＝s2) D: if(strcmp(s1,s2)) Puts("they are Equal"); puts("they are Equal");

执行下列Python语句将产生的结果是（）x=8y=8.0if(x==y):print("Equal")else:print("No Equal") A: Equal B: Not Equal C: 编译错误 D: 运行时错误