题目内容

二端口网络可按不同方式进行连接，主要有（）。

A. 级联
B. 串联
C. 并联

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Conversation 2

Conversation 1[音频]W: Why do you look so unhappy?M: It's the mid-term test. I got a C and Mom was angry.W: Then?M: Then I said it was not my fault. I was busy with my part-time job.W: 1) ________________________.M: Why do you say I'm wrong?W: You got a C because you didn't work hard, not because of the part-time job.M: Well, I guess 2) .W: So you get 3) ?M: Yes, and I'll say sorry to Mom.

java.io包的File类是()

A. 字符流类
B. 字节流类
C. 对象流类
D. 不属于上面三者

设置多行文字高度为5,注释比例为1:2,在模型空间中添加文字高度值为:

A. 2.5
B. 5
C. 7.5
D. 10