人教版八年級英語上冊《Will people have robots?》SectionA PPT課件，共46頁。
Warming-up
Think about our future.
What will the world be like in 100 years?
Lead-in
Will everything be free?
Will books only be on computers, not on paper?
Will every family have a car?
Will people live to be 200 years old?
Will students study at home on computers?
Will people have robots in their homes?
Language points
1. Will people use money in 100 years?
“in + 時間段”一般用于將來時，表示將來一段時間后。in 100 years意思是“100年后”
I’ll come back in three days.
我3天后回來。
“after +時間段”用于過去時，表示從過去某個時間點算起一段時間后。
He came back after three days.
他三天后回來了。
另外，after還可接時間點, 既可用于將來時也可用于過去時。
He came back after two o’clock.
他兩點后回來了。 He will come back after two o’clock.
他兩點后會回來的。
2. pollution n. 污染
Air pollution is a great problem now.
現(xiàn)在空氣污染是個大問題。
pollute v. 污染
Bicycle is a good exercise. It doesn’t pollute the air.
自行車是一種好的運動，它不污染環(huán)境。
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