unit4 lesson1 tomorrow’s word
学案
学习目标：1 know something about the future of cyberspace
2 learn some key words: v: affect, attack, crash, harm, disappear, offer
n:growth,hacker,crime,criminal,terrorist,chaos,entertainment,destuction
3 learn some key sentences
fast reading
choose the best topic sentence for the passage
a the internet is good for us.
b the opinions about the internet
c how are the computer and the net going to affect our lives
