题目内容

关于数据交换,下列叙述不正确的是______。

A. 线路交换面向连接
B. 分组交换比报文交换具有更好的网络响应速度
C. 报文交换无存储转发过程
D. 分组交换有存储转发过程

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Teachers need to be aware of the emotional, intellectual, and physical changes that young adults experience. And they also need to give serious (21) to how they can be best (22) such changes. Growing bodies need movement and (23) , but not just in ways that emphasize competition. (24) they are adjusting to their new bodies and a whole host of new intellectual and emotional challenges, teenagers are especially self-conscious and need the (25) that comes from achieving success and knowing that their accomplishments are (26) by others. However, the typical teenage lifestyle is already filled with so much com petition that it would be (27) to plan activities in which there are more winners than los ers, (28) , publishing newsletters with many student-written book reviews, (29) student artwork, and sponsoring book discussion clubs. A variety of small clubs can pro vide (30) opportunities for leadership, as well as for practice in successful (31) dynam ics. Making friends is extremely important to teenagers, and many shy students need the (32) of some kind of organization with a supportive adult (33) visible in the back ground.In these activities, it is important to remember that the young teens have (34) at tention spans. A variety of activities should be organized (35) participants can remain ac tive as long as they want and then go on to something else without feeling guilty and with out letting the other participants down. 32()

A. consent
B. insurance
C. admission
D. security

将一个n阶三对角矩阵A的三条对角线上的元素按行压缩存放于一个一维数组B中, A[0][0]存放于B[0]中。对于任意给定数组元素A[i][j],它应是数组A中第 【4】 行的元素。

Teachers need to be aware of the emotional, intellectual, and physical changes that young adults experience. And they also need to give serious (21) to how they can be best (22) such changes. Growing bodies need movement and (23) , but not just in ways that emphasize competition. (24) they are adjusting to their new bodies and a whole host of new intellectual and emotional challenges, teenagers are especially self-conscious and need the (25) that comes from achieving success and knowing that their accomplishments are (26) by others. However, the typical teenage lifestyle is already filled with so much com petition that it would be (27) to plan activities in which there are more winners than los ers, (28) , publishing newsletters with many student-written book reviews, (29) student artwork, and sponsoring book discussion clubs. A variety of small clubs can pro vide (30) opportunities for leadership, as well as for practice in successful (31) dynam ics. Making friends is extremely important to teenagers, and many shy students need the (32) of some kind of organization with a supportive adult (33) visible in the back ground.In these activities, it is important to remember that the young teens have (34) at tention spans. A variety of activities should be organized (35) participants can remain ac tive as long as they want and then go on to something else without feeling guilty and with out letting the other participants down. 34()

A. similar
B. long
C. different
D. short

W: Hello. Sales Department.M: Good morning. This is Blue Sky Electronics.W: Good morning. What can I do for youM: I’d like to find out if you delivered the goods we ordered.W: May I have the code number of your order, pleaseM: NK 04.W: NK 04. Just a moment, please. Yes, it was sent to you yesterday. You’ll get it soon.M: That’s fine. Thanks.W: Is there anything else I can do for youM: Not at the moment. Thanks. Good-bye. What does the man want to find out about the order()

A. Its size.
B. Its delivery.
C. Its price.
D. Its code number.

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