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问题 补全对话，情景问答

情景交际: 用适当的单词、短语或句子完成对话。  

A: Let's make a beef sandwich.

B: Good idea!               1                ?

A: Well, first cut the bread into two slices and put some butter on one slice.

B:              2                 ?

A: A teaspoon of butter. Next cut up some tomatoes.

B:              3                 tomatoes?

A: Only one is enough. Add it to the bread.

B: And                4              ?

A: Put some beef slices on the bread.

B: Is that OK?

A:              5                .Put some relish on the beef. Finally, put another slice of bread on the top.

B: Great!

答案

1. How do we make it

2. How much butter do we need

3. How many    

4. then

5. No

单项选择题

OptiXOSN3800机盒的可拆分槽位是（）？

A.IU8

B.IU9

C.IU10

D.IU11
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填空题

请完善程序(程序文件名：Java_2.java)并进行调试。请在下画线处填入正确内容，然后删除下画线。请勿删除注释行和其他已有的语句内容。
题目要求：
请阅读Java_2.java应用实例，完成程序并运行，得到结果如下：
1
1 2
1 2 3
1 2 3 4
1 2 3 4 5
1 2 3 4 5 6
源程序：
public class Java_2
public static void main(String[]args)
int[][]aMatrix=new (1) [];
int i=0, j=0, k=0;
for(i=0; i＜ (2) ; i++)
aMatrix[i]=new int[j+1]; //创建数组
//给每个数组元素赋值并在一行中打印输出
for(k=0; k＜aMatrix[i].length; k++)
aMatrix[i][k]=k+1;
System.out.print(aMatrix[i][k]+"");

j++;
System.out.println(); //换行
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