人教版八年级英语上册 《Will people have robots?》SectionA PPT课件

人教版八年级英语上册《Will people have robots?》SectionA PPT课件，共46页。

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 + 时间段”一般用于将来时，表示将来一段时间后。in 100 years意思是“100年后”

I’ll come back in three days.

我3天后回来。

“after +时间段”用于过去时，表示从过去某个时间点算起一段时间后。

He came back after three days.

他三天后回来了。

另外，after还可接时间点, 既可用于将来时也可用于过去时。

He came back after two o’clock.

他两点后回来了。He will come back after two o’clock.

他两点后会回来的。

2. pollution  n. 污染

Air pollution is a great problem now. 

现在空气污染是个大问题。

pollute   v. 污染

Bicycle is a good exercise. It doesn’t pollute the air. 

自行车是一种好的运动，它不污染环境。

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