5、以下（）项是对互联网的正确说明。A．互联网为全球通信提供了快速、廉价的方法B．提及互联网时经常被看作是“通信走廊”C．互联网是一个全球性的网络，由超过20万个计算机网络组成D．互联网具有战略内涵，不仅仅用于小公司

答案：BCD

正确答案：D
解析：cp=c 这个语句是将数组第0行的地址赋给了cp。cp+1使指针指向二维数组c的第一行；*(cp+3)是数组c的第三行的第0列的地址值；*(cp+1)+3是数组c的第一行第三列的地址值。

正确答案：C

正确答案：The Development of the Internet With its rapid development the Internet has become a powerful tool for people and has already created a lot of miracles and brought us much convenience. As an international database of information the Internet can offer us whatever is possible to be imagined. In addition a great deal of useful information can be downloaded by individuals including many programs games and so on. A huge success of the Internet is the online shopping considered a great advantage of the Internet. The Internet will be better gentler safer and more reliable along with more and more cyber laws becoming effective. However although the Internet brings us more convenience it is unwise to let it control our life. Instead it should be controlled by us. After we have known how to utilize it correctly and how to spend our time on the Internet the Internet will become a real friend to our life.
TheDevelopmentoftheInternetWithitsrapiddevelopment,theInternethasbecomeapowerfultoolforpeopleandhasalreadycreatedalotofmiraclesandbroughtusmuchconvenience.Asaninternationaldatabaseofinformation,theInternetcanofferuswhateverispossibletobeimagined.Inaddition,agreatdealofusefulinformationcanbedownloadedbyindividuals,includingmanyprograms,gamesandsoon.AhugesuccessoftheInternetistheonlineshoppingconsideredagreatadvantageoftheInternet.TheInternetwillbebetter,gentler,saferandmorereliablealongwithmoreandmorecyberlawsbecomingeffective.However,althoughtheInternetbringsusmoreconvenience,itisunwisetoletitcontrolourlife.Instead,itshouldbecontrolledbyus.AfterwehaveknownhowtoutilizeitcorrectlyandhowtospendourtimeontheInternet,theInternetwillbecomearealfriendtoourlife.

答案：A

解析：

正确答案：D
"＆”是求址运算符，”*”是指变量说明符。选项A)、B）改为scanf(”％d”，p)；选项c)中指针变量P未指向一确定的内存单元，不能为其赋值，并且这样做很危险，建议不使用。

正确答案：B

正确答案：D
解析：本题考查数组元素的引用。语句cp=c；将数组c的首行地址赋给了指针数组cp。选项A)的cp+1是指将数组c的首行地址加1，即为第二行地址；选项B)的*c(cp+3)是地址，等于数组c的首地址加3的内存单元的内容，不是对数组元素的引用；选项c)的*(cp+1)+3是地址，等于数组c的首地址加1的内存单元中存放的值加3，不是对数组元素的引用。