-----Hello,I'm Sam.-----____（）

迈克在全班同学面前作自我介绍，他应该说（）

－－Hello, could I speak to Miss Fang, please？－－ ______I'll get her for you.A.Hold on
--Hello, could I speak to Miss Fang, please？
-- ______I'll get her for you.
A.Hold on, please.
B.I'm Miss Fang.
C.Who are you？
D.She is at work.

— Hello, Linda. How are you？— （)— I'm fine, thank you.
A、How are you？
B、Fine, thank you、And you？
C、How do you do？
D、I'm good.

请帮忙给出正确答案和分析，谢谢！

设有类定义如下：class Base{public Base（int i){}}public class MyOver extends Base{public
设有类定义如下：
class Base{
public Base(int i){}
}
public class MyOver extends Base{
public static void main(String arg[]){
MyOver m = new MyOver(10);
}
MyOver(int i){
super(i);
}
MyOver(String s, int i){
this(i);
//Here
}
}
以下哪条语句可以安排在//Here处 ？
A.MyOver m = new MyOver();
B.super();
C.this("Hello",10);
D.Base b = new Base(10);

请帮忙给出正确答案和分析，谢谢！

Melinda Smith's got a job at Qiaoxiang Community S

Melinda Smith's got a job at Qiaoxiang Community Service Center. Today is her first day at work.George, the Director of the Administration Department, is introducing her to Wendy and Helen.

George: Hello, everyone. I'd like you to （）{选项：call. 选项：really. 选项：meet. 选项：number. 选项：forward} our newcomer, Melinda.

Melinda: Hi, I'm Melinda Smith, nice to meet you all here.

Wendy: Nice to meet you, too, Melinda. I'm Wendy Brown, just （）{选项：call. 选项：really. 选项：meet. 选项：number. 选项：forward} me Wendy.

Helen: Hi, I'm Helen Clinton. Welcome.

Melinda shakes hands with everyone.

Wendy: Would you come over, please, Melinda？ This is your desk.

Melinda: Thank you very much. Could you please tell me what's the telephone 回答

on my desk？

Helen: Oh, it's 8633-2788. If you have any questions here, please tell us. We'll all be ready to help.

Melinda: Thanks for everything. You're （）{选项：call. 选项：really. 选项：meet. 选项：number. 选项：forward} helpful.

Wendy: When you are free, I'll show you around our center and introduce you to other colleagues.

Melinda: That's great! I'll be looking （）{选项：call. 选项：really. 选项：meet. 选项：number. 选项：forward} to it.

Hello，I'mMark.---Hi，I'mLily（）

Hello，I'mMark.---Bye-bye，Lily（）

－－ Hello! Is that Mr Wang speaking？－－ _________A.Yes. This is Mr Wang speaking.B.Yes. C
-- Hello! Is that Mr Wang speaking？
-- _________
A.Yes. This is Mr Wang speaking.
B.Yes. Can I speak to Mr Wang？
C.Sorry, you'd better ask Mr Wang.
D.No, I can't speak.

—Hello, is that service center? The elevator of our apartment doesn’t work.
—________________.

有语句Strings=”hello world”;，以下操作()是不合法的。

以下代码的输出结果？public class Test{public static void main（String argv[]){String x="hello";change（x);System.out.println（x);}static void change（String m){m=m＋2;}}
A. hello
B. hello2
C. 编译报错
D. 运行报错,不能将串与整数相加

请帮忙给出正确答案和分析，谢谢！