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从a-e中为下面短文的各自然段选出主题句,并将其标号填入题前的括号内.

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从a-e中为下面短文的各自然段选出主题句,并将其标号填入题前的括号内.
a.How it used to be.b.Connecting worlds c.We couldn’t live without it.
d.The Internet marks the world smaller and smaller.
e.Information at the click (点击) of a mouse.
( )1.The internet connects(连接) us to a world of information what we have never had before.We can share information with people round the world and have a much wider view of everything that touches(触及) our lives.
( )2.Before the Internet,the best place to find information was in the local library.This limited (限制) the information we could get and took a lot of time of our day.
( )3.Today we can do a simple search on the Internet and get thousands of pages of information on the subject we want,all at push of a button!
( )4.Technology(技术) is changing the way we communicate.Computers allow us to work faster and produce more.We no longer have to wait days or weeks to receive an answer.We can send an e-mail to someone on the other side of the world and receive an answer a few minutes later!
( )5.Having said all that,nobody knows what life without the Internet will be like.How did our parents do without it?
从a-e中为下面短文的各自然段选出主题句,并将其标号填入题前的括号内.
CBDEA