- 交变电流的周期和频率
- 共321题
如果子网172.6.32.0/20被划分为子网172.6.32.0/26，则下面的结论中正确的是________。
A．被划分为62个子网
B．每个子网有64个主机地址
C．被划分为32个子网
D．每个子网有62个主机地址
正确答案
D
解析
子网172.6.32.0/20被划分为子网172.6.32.0/26，网络掩码增加了6位，被划分成了64个子网，每个子网的主机ID部分为6位，可以提供主机地址个数为62。
腹中自觉有胀满之感，而无胀急之象的属
A．气臌
B．水臌
C．血臌
D．虫臌
E．痞满
正确答案
E
解析
暂无解析
下列选择中不属于措施费的是( )。
A．脚手架费
B．施工排水、降水费
C．二次搬运费
D．人工费
正确答案
D
解析
暂无解析
What happened in the morning
A．The roof of the toilet started leaking.
B．The woman phoned to remind her husband about the call.
C．The man was too busy to answer the phone.
D．The woman was having a shower when the man calle
正确答案
B
解析
[听力原文]5-7
W: Oh, no! Hey, Ed, the toilet's still running over. Didn't you call the plumber
M: I didn't have time today, Honey.
W: But you told me you were going to call him today. What were you doing all day I mean, after all, it only takes five minutes to call the plumber.
M: I was working on a project for school all day. I got so involved I forgot all about it, okay
W: Well, I called you from work this morning at 9 o'clock to remind you of it. How come you didn't answer the phone
M: At 9 Oh, that was you calling. I was taking a shower at the time. Hey, since you had time to call me from work, why didn't you call the plumber from work
W: Because you said you were going to! And besides, I didn't have the number with me. And please take off the earphones!
M: Look, you have the Yellow Pages at work, don't you Why didn't you look up the number at work
W: Just, just forget it! I'm wasting my breath talking to you. From now on, if I want anything done around here, I'll just do it myself.
M: Okay, I'm sorry. There is no point in us arguing until we're both blue in the face, all right
W: Yeah, we're not getting anywhere this way. I'll call them.
Which of the following is NOT true about the journalist
A．He is an American-born journalist.
B．He works for the Guardian.
C．He finished the story with other journalists.
D．His story was not published in Zimbabw
正确答案
C
解析
暂无解析
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