Review 4 (Units 10 - 11 - 12)

Unit 10: Our Houses in the Future

Key vocabulary:

• Types of houses: apartment, UFO, houseboat, motorhome, skyscraper
• Locations: in space, on the Moon, under the ocean
• Technology: robot, solar energy, wireless, automatic
• Adjectives: modern, comfortable, automatic

Unit 11: Our Greener World

Key vocabulary:

• The 3Rs: reduce, reuse, recycle
• Environment: pollution, rubbish, environment, protect
• Materials: plastic, glass, paper, can
• Actions: save, plant, pollute

Unit 12: Robots

Key vocabulary:

• Types of robots: home robot, teaching robot, worker robot
• Abilities: guard, recognize, understand, lift, build, repair
• Places: factory, space station, hospital
• Adjectives: useful, intelligent, helpful

Unit 10: Future Simple with Will and Might

1. Will (chắc chắn):

• S + will + V
• Ex: People will live in space.

2. Might (có thể):

• S + might + V
• Ex: My house might be under the ocean.

Unit 11: Conditional Sentences Type 1

Cấu trúc:

• If + S + V (hiện tại đơn), S + will + V
• Ex: If we recycle more, we will help the Earth.

Unit 12: Superlative Adjectives and Could

1. Superlatives:

• Tính từ ngắn: the + adj + -est
• Ex: the tallest, the biggest
• Tính từ dài: the most + adj
• Ex: the most intelligent
• Bất quy tắc: good → the best, bad → the worst

2. Could (quá khứ):

• S + could + V (khả năng trong quá khứ)
• Ex: Robots could do simple things.

The House of Tomorrow

In the future, houses will be very different from today. Many people will live in smart homes with modern technology. These houses will use solar energy, so they will be eco-friendly. They will have robots to do the housework, and all the doors will be automatic.

Some houses might be in unusual places. For example, some people might live in houses under the ocean. These houses will have big windows, so people can see fish and other sea animals. Other people might live in houses in space or on the Moon. These houses will be very expensive, but they will be the most exciting homes in the world.

Houses in the future will also be very comfortable. They will have wireless TVs and smart devices. If you want to watch TV, you won't need a remote control. You will just use your voice. If you want to turn on the lights, you will just say 'lights on' and they will turn on automatically.

However, not everyone will live in these modern houses. Some people will still live in traditional houses because they are cheaper and simpler. But one thing is certain: houses in the future will be more comfortable and more eco-friendly than houses today.

A Greener World

Our planet is facing many environmental problems. Air pollution, water pollution, and too much rubbish are making the Earth dirty. If we don't do something now, the problems will get worse in the future.

The good news is that we can all help to protect the environment. The most important thing is to remember the 3Rs: Reduce, Reuse, and Recycle. If we reduce the amount of rubbish we make, we will help the Earth. For example, we should use reusable bags instead of plastic bags. Plastic bags are very bad for the environment because they take hundreds of years to disappear.

We should also reuse things instead of throwing them away. If you have old clothes, you can give them to other people. If you have old bottles, you can use them to make flower pots. Reusing things is better than buying new things because it saves money and protects the environment.

Finally, we should recycle materials like paper, glass, and plastic. If we recycle more, we will reduce pollution and save natural resources. Many cities now have recycling bins, so it's easy to recycle.

Remember: if everyone does a little, together we can make a big difference. Our planet is the only home we have, so we must protect it.

Based on Reading Passage 1 (Future Homes):

Answer these questions:

1. What kind of energy will future houses use?
2. Where might some people live in the future?
3. How will people control TVs and lights in future houses?
4. Will everyone live in modern houses? Why or why not?

Based on Reading Passage 2 (Protecting Our Environment):

Answer these questions:

1. What environmental problems is our planet facing?
2. What are the 3Rs?
3. Why are plastic bags bad for the environment?
4. What can we do with old clothes and bottles?