下述语句中，（ ）可以在字符串s1和s2相等时显示"Equal."。 A: if(!strcmp(s1,s2)) puts(“Equal.”); B: if(s1==s2) puts(“Equal.”) C: if(*s1==*s2) puts(“Equal.”) D: if(strcmp(s1,s2)) puts(“Equal.”);

Word中插入数学公式的方法是（）。 A: "插入"→"形状"→"公式" B: "开发工具"→"公式" C: "插入"→"公式"→"插入新公式" D: "引用"→"插入"→"公式"

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

定义并初始化一个用于存放我们国家的四个直辖市的数组cityName，四个直辖市为：北京，上海，天津，重庆. 正确的是_________ A: String[] cityName=new String[4]{"北京","上海","天津","重庆"}; B: String[] cityName=new String[]{"北京","上海","天津","重庆"}; C: String[] cityName={"北京","上海","天津","重庆"}; D: String cityName = new String[4] { "北京", "上海", "天津", "重庆" };

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

已知有一个名为names的空列表,如何向其中添加old_driver,rain,jack,shanshan,peiqi,black_girl 元素？ A: names.append("old_driver","rain","jack","shanshan","peiqi","black_girl") B: names.extend("old_driver","rain","jack","shanshan","peiqi","black_girl") C: names.insert("old_driver","rain","jack","shanshan","peiqi","black_girl") D: names.extend(["old_driver","rain","jack","shanshan","peiqi","black_girl"])

以下哪个选项是正确的json数据格式： A: { "id": 2, "userName": admin, "passWord": 12345, "email": admin@qq.com} B: { id: 2, userName: "admin", passWord: "12345", email: "admin@qq.com"} C: { "id": 2, "userName": "admin", "passWord": "12345", "email": "admin@qq.com",} D: { "id": 2, "userName": "admin", "passWord": "12345", "email": "admin@qq.com"}

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.