Unit 17 Life in the future

教学目标

1．重点短语：
　　the majority of people, out of work, persuade sb. to do sth., make a decision, throughout the world, as well as, carry out the instruction, a waste of money, keep fit, encourage sb. to do sth.
2．语法：名词性从句作同位语的用法
　　(1) The idea that computers will recognize human voices surprises many people.
　　(2) The possibility that the majority of the labour force will work at home is often discussed.
3．交际用语：表“预见、猜测和相信”
　　(1) What do you think is likely to happen?
　　(2)It’s quite likely that. . .
　　(3) It is likely to . . .
　　(4) I don’t think so. /l think not.