在QoS中，不能依据什么来进行流分量（）。 A.报文的优先级 B._爱下问搜题

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问题单项选择题

在QoS中，不能依据什么来进行流分量（）。

A.报文的优先级

B.协议类型

C.MAC地址

D.输出接口

E.VLAN优先级

F.端口号

答案

参考答案：D

完形填空

完形填空。

                                               Bob's Travel Diary (旅游日记)
Tuesday, July 16th
     Today is rained, so we went to a museum (博物馆). It was  1  boring. I found (发现) a small boy  2 in the
corner. He was lost (迷路) and I helped him find  3  father. That  4  me feel very happy. I didn't have  5  money
for a taxi, so we walked back  6  the hotel. I was really tired. Wednesday, July 17th Today the  7  was cool, so
we decided to  8 tennis (网球). We played all morning. It was really fun. We had Sichuan  9 for dinner.  10
was delicious (美味可口的)!

( )1. A. kind of
( )2. A. singing
( )3. A. they
( )4. A. take
( )5. A. some
( )6. A. on
( )7. A. weather
( )8. A. go
( )9. A. bus
( )10. A. It

B. with
B. going
B. his
B. made
B. no
B. to
B. whether
B. take
B. car
B. He

C. on
C. crying
C. my
C. get
C. any
C. with
C. bus
C. play
C. food
C. She

问答题

如图所示为一水平放置的圆柱形气缸，气缸壁、活塞的厚度以及它们之间的摩擦均可忽略不计，气缸的母线长为L，活塞将气缸中的气体分为左、右两部分，开始这两部分气体的温度相等，这两部分的体积之比=1∶2，现将左边的气体缓慢加热到127℃，右边的气体缓慢降温到-73℃，使活塞移动一段距离后停下来（活塞不漏气，并且左、右两气体不发生热传递）求活塞移动的距离．