1.单词：

help …… with ……..帮助,  smart聪明的,  enough足够,  treat对待,  

disease疾病,  war战争,  free自由,  think认为,  believe相信,  agree同意,  

disagree不同意,  wrong错误,  litter垃圾,  pollute污染,  manage组织,  countryside乡村,  

raise抚养,  fresh新鲜的,  move移动,  furniture家具,  nowadays如今,  roof房顶,  

explore探索,  have to不得不,  dangerous危险的,  monster怪兽,  prefer更喜欢.

2.句型：

Will ……….? 

Yes, ……… will./No, ……… won’t. ……………..

Will people have robots in their homes? 

Yes, they will.

Will kids go to school? 

No, they won’t. Kids will study at home.

Why will ………………...?  

Because ……………. 

Why will people have robots in their homes?  

Because robots will help people with housework.

3.

Cities will be more polluted

Pros: 

1.people built many factories; they will build more in the future.

2.People are selfish, they always litter in the streets.

3.There are too many cars in the cities, cars will pollute the air.

Cons:

1.people will build less factories, and the future factories won’t pollute the air and water.

2.people will learn to manage their litter.

3.There will be less cars in the cities, people will drive electric cars.

Cities will be more crowded

Pros:

1.People will have more children in the future.

2.People from the countryside will move to bigger cities.

3.There won’t be many big cities in the future.

Cons:

1.It will be more expensive to raise children. People won’t have more children in the future.

2.people from bigger cities will move to the countryside, because there will be fresh air in the countryside.

3.There will be many big cities in the future.

There will be fewer trees in the cities

Pros:

1.people always cut trees to make furniture and paper, they will cut more in the future.

2.There will be less space to plant trees in the cities.

3.Cities will be polluted, trees won’t grow.

Cons:

1.People also plant many trees nowadays; they will plant more in the future.

2.people will plant trees on the roof of the buildings.

3.Cities won’t be polluted , trees will grow. 

There will be bigger cities underwater

Pros:

1.There will be less land on Earth, people will have to build cities underwater.

2.Air will be polluted; people will have to build cities underwater.

3.People will like to live underwater and explore the ocean

Cons: 

1.There will be enough land on Earth, people won’t have to build cities underwater.

2.Water will be polluted; people won’t live underwater.

3.It will be very dangerous to live underwater, because there will be sharks and monsters underwater.

There will be more tall buildings in the cities

Pros:

1.The land will be more expensive; people will have to build more tall buildings.

2.There will be more people and less space in the cities.

Cons: 

1.The land will be cheaper; people won’t like to live in tall buildings.

2.There will be fewer people living in big cities, people will prefer to live in small towns.