题目内容

在计算机网络中，代表数据传输可靠性的指标是( )。

A. 误码率
B. 传输率
C. 频带利用率
D. 信息传输量

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M: Hi, Betty, where are you going for your vacationW: Georgia. I’ve been waiting to go there for ages.M: Now your dream will come true. When are you off.W: Next Wednesday evening.M: How are you getting to the airport Is anybody seeing you off.W: No, I will take a taxi to go there. My plane takes off at 10:30.M: Are you staying in a hotel in Georgia Hotels there are particularly expensive and it’s hard to book one at this time of year.W: No, not necessary. My aunt lives there and I’m staying with her. What about you Are you going anywhereM: Yeah. I’m going to Florida on Friday with my parents.W: How are you getting there By trainM: No, by plane.W: How long are you staying thereM: It all depends. Maybe a week. See you when we get back. Have a nice time in Georgia.W: Good luck! Have a nice trip!M: Thanks. The same to you. Bye! When will the man leave for his holiday()

A. On Friday．
B. On Wednesday evening．
C. At 8:30．

某Excel工作表如下，若在D1单元格中输入=$A$1+$B$1+C1，则D1的值为；此时，如果向垂直方向拖动填充柄至D3单元格，则D2和D3的值分别为。 A B C D 1 16 18 20 2 23 26 30 3 35 38 26 4

A. 79和99
B. 69和93
C. 64和60
D. 79和93

信托可以划分为不同种类，按信托财产性质，可分为（）。

A. 自益信托
B. 处分信托
C. 任意信托
D. 不动产信托

总体来看，计算机的发展方向是巨型化、微型化、网络化和______。