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完形填空。      I often go to a shopping center with my mother. The shopping center is new and__1__. There are lots of great things there.  There are __2__and food. There are many people there. __3___do many people come here to buy things? Do you know? Let me tell you. The things there are good and at a very great price. The ____4__there are nice and friendly. So I buy a T-shirt ___5__ red for only 2 dollars.      My sister Mary has a yellow sweater. It’s very nice. But it’s too small. She ___6____a new one. She goes to the shopping center with us on Sunday. Because she doesn’t go to __7____ that day. There are many clothes on__8____. They are very nice. They are in all___9___. There are red, black, red and blue ones. She likes a blue sweater very much. __10____it’s too big. At last, she takes a green sweater for only 30 dollars. ( )1. A. old       ( )2. A. vegetables ( )3. A. What       ( )4. A. people     ( )5. A. with       ( )6. A. want       ( )7. A. school     ( )8. A. sale       ( )9. A. sizes     ( )10. A. And       B. big     B. fruit   B. When   B. girls   B. to     B. needs   B. shop   B. shop   B. colors B. But     C. boring   C. dessert C. Why     C. clerks   C. in       C. haves   C. store   C. sweater C. clo thes C. Or       D. sad         D. clothes     D. Where       D. boys       D. on         D. buy         D. home       D. food       D. things     D. Too

—Do you like the music the Moonlight Sonata?  

—Yes, it______ really beautiful.[ ]

A. feels  

B. sounds  

C. listens    

D. hears

什么是集中监控？

有5个进程如下表。时间从0开始，单位为1，最高优先级为0。

进程	到达时间	优先级	所需运行时间
A	0	2	3
B	2	3	8
C	4	4	6
D	6	1	5
E	8	0	4

绘图说明以下进程调度过程：(1 CPU系统，所有进程只使用CPU)。
请使用时间为横向坐标轴，并请在图中表明每个进程的“等待”和“运行”两种状态。
(1)先来先服务(FCFS)。
(2)轮转调度(Round—Robin)时间片=2。
(3)优先级轮转法(Priority Round—R0bin)时间片=2。
(4)最短进程轮转法(Shortest Process Next)。

以下是一个比赛的评分系统，假设有8名评委，评分标准是去掉一个最高分和一个最低分，剩余分数的平均分即为选手的得分。试将程序补充完整。 Private sub Form_Click( ) Dim max as integer,min as integer,i as integer,num as integer,sum as integer,avg as single max=0 min=10 For i=1 to 8num=val(inputbox("请输入分数" )if 【13】 then max=humif 【14】 then min=numsum=sum+num Next i sum= 【15】 avg=sum/6 Msgbox "最后得分:" & avg End sub