福建专用：Unit4CyberspacePeriodOne(Ⅰ)课时训练（北师大版必修2）.doc

Unit 4　Cyberspace Period One　Warm-up Reading(Ⅰ) 基础落实 Ⅰ.课文理解 1．What are some experts worried about? A．It’s easy to buy things on the Internet. B．Some crimes in cyberspace. C．Television will disappear. 2．How many computers were there in 1983? A．50 million. B．200. C．2,000. 3．What is Angela Rossetto’s opinion about the Internet? A．She thinks mail service may disappear with the increasing use of e-mail. B．It is unsafe to surf the Internet. C．Computers bring a lot of trouble. 4．What are the results of computers according to some experts who are pessimistic about the Internet? A．We can get all kinds of information. B．Terrorists may “attack” the computers. C．The disappearance of television. Ⅱ.根据课文完成表格 1．The growth of the Internet In the last thirty yearsThe Internet (1)________________________． In 1983There were only 200 computers (2)________________ the Internet.NowThere are around 50 million computers connected to the Internet and the growth is clearly (3)________________________.2.Different attitudes PessimisticOptimisticCrime in cyberspace：Hackers (1)_______________________________________________________； Terrorists (2)________________________________________________________________________． Now we can buy books, find out about holiday offers, book tickets, and get all sorts of information from the Internet. It is clear that we are going to (3)________________________________________． We (4)______________________________________． Television and (5)________________ may disappear.Ⅲ.用适当的介、副词填空 1．________ the last thirty years，the Internet has grown ________. 2．Some experts are pessimistic ________ the future. 3．Even now，young hackers can get ________ the computers of banks and governments. 4．________ the future，terrorists may “attack” the world’s computers. 5．Already，users can buy books，find out ________ holiday offers，book tickets，and get all sorts ________ information from the Internet. 6．“________ the next few years”，says Angela Rossetto of cyberia ma