1.单词：

more更多,  less更少,  fewer更少,  polluted污染的,  crowded拥挤的,

underwater水下,  electric电的,  cut down削减,  

land陆地,  enough足够,  travel旅行.

2.解释: 

Cities will be more polluted./Cities will be less polluted.

Cities will be more crowded./ Cities will be less crowded.

There will be fewer trees in the city./ There will be more trees in the city.

There will be bigger cities underwater./ There won’t be bigger cities underwater..

There will be more tall buildings in the city./There will be fewer tall buildings in the city.

There will be more cars in the city./ There will be fewer cars in the city.

语法:

Future simple: subject+ will + verb

一般将来时：主语+will+动词

I will play.  You will climb

We will hunt.  He/She will sleep.

They will drive.

3.句型：

What will you do?

你将要做什么？

I will ……………….

我将......

What will you do?

I will enjoy the sunlight.

There will be ……….. in the future. 

在未来将会有.......

There will not(won’t) be ……….. in the future.

在未来将不会有......

There will be fewer trees in the future.  

There won’t be more water in the future.

There will be less grass in the future.

What will the cities be like?

城市将会是什么样子?

………………………………

.............

What will the cities be like?

Cities will be more polluted.

4.

Why will ………………..?

为什么.........

Because ……………………

因为......

Why will cities be more polluted?

Because there will be more factories in the future.