题目内容

Directions: Study the following picture carefully and write an essay entitled \"Cultures-National and International\".
In the essay you should
1) describe the picture and interpret its meaning, and
2) give your comment on the phenomenon.
You should write about 200 words neatlyon ANSWER SHEET 2. (20 points)
An American girl in traditional Chinese costume (服装)

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Task3
Directions:Thefollowingisaletterrecommendingaproductafterreadingit;youarerequiredtocompletethe
outlinebelowit(No.46toNo.50).Youshouldwriteyouranswersbriefly(innotmoretitanthreewords)ontheAnswer
Sheetcorrespondingly.
PLRAirConditioningCenter
27WestStreet
PlainesCity
IAAmerica50705
March6,2004
Ms.LiChunhua,President
NewEraEngineeringGroup
26RenminStreet
Yangzhou,Jiangsu,China
225002
DearMs.Li,
ThankyouverymuchforallowingustopresenttoyouourrecommendationforaPLRAirConditioningSystem.
WewouldlikealsotoexpressourappreciationtoMr.ZhangandMrs.Wufortheirhelpaswecollected
thedatanecessaryforthisproposal.
Afterthoroughlyanalyzingyourcompany’sengineeringrequirements,webelievethatyouwillfindthisproposedPLRsystemsatisfactory.Itwillprovidethe
maximumreturnonyourinvestmentdollar.Inaddition,thePLR.systemprotectsyouagainstobsolescence(过时)inthenearfutureifyourbusinesscontinuestoexperiencethenormalgrowthyouhaveexperiencedinthelast
fewyears-becausetheequipmentPLRproposestoinstallisamodular(模块的)designtowhichyoumayaddadditionalunitsastheneedarises.
Webelievethatyouwillfindthissystempractical,efficient,andeconomicalfortheneedsofyourcompanyboth
nowandinthenearfuture.Itisoursincerehopethattheinformationintheenclosedproposalwillmakeyour
decisiontoinstallaPLRAirConditioningSystemmucheasier.
Sincerelyyours,
JamesP.Callahan
SalesManager
RecommendationofaProduct
Productrecommended:PLR46
PLR’sproposal:basedontheanalysisofthebuyer’s47
FeaturesoftheProduct:
1.it’sa48design;
2.it’spractical,49andeconomical;
DocumentEnclosed:a/the50
46_________

在关系代数中，从两个关系的笛卡尔积中选取它们的属性或属性组问满足一定条件的元组得到新的关系的操作称为【】。

某部门网络管理员使用DHCP服务器对公司内部主机的IP地址进行管理，已知：
①该公司共有40个可用IP地址为202.112.11.11～202.112.11.50。
②DHCP服务器使用Windows2003操作系统，其IP地址为202.112.11.11。
③连接该子网络路由器端口的IP地址为202.112.11.12。
④DHCP客户端使用WindowsXP操作系统。
请回答下列问题：
(1) 配置DHCP服务器作用域时，起始IP地址输入“202.112.11.11
11.

Go into any average provincial town and the last thing you will
find is a decent book-shop. More than one great industrial town of
a population of over a hundred thousand has only one such shop,
and that is generally kept going by the sale of school-books.
It is because we cannot afford to buy books. We spend six 【S1】
hundred million pounds a year on the beer, but we certainly do not 【S2】
spend six hundred million pence on literature. Many people can 【S3】
afford to buy motor-cars with anything from seven hundred pounds 【S4】
would be aghast at the idea of spending a single pound occasionally
on a book. Yet, merely like furniture, books are a cheaper and 【S5】
better decoration than blue chinas or the eighteenth century chairs. 【S6】
They are better because they put out the stamp of individuality 【S7】
upon a house. The desire of the eighteenth century chairs and blue 【S8】
china may represent not as a genuine personal taste for beautiful 【S9】
things, but an artificial passion for rare and expensive ones. On
the other hand, a collection of books will give a house character
and meaning. It should tell you about its. 【S10】
【S1】