Bài giảng Tiếng Anh 7 - Unit 12: An overcrowded world. Lesson: Revision - Trường THCS Âu Cơ

 AU CO Junior High School
 REVISION - ENGLISH 7
 UNIT 12: AN OVERCROWDED WORLD
I. Vocabulary: 
- Overcrowded places
- Causes and effects of an overcrowded world
II. Grammar: 
 - Comparisons of quantifiers: more, fewer, less
 - Tag questions Exercise 1: Match the words with their definitions.
 1. busy A. too many people.
 2. poor B. to have very little 
 3. peaceful money.
 4. spacious C. calm and quiet.
 5. overcrowded D. a large area where it 
 is easy to move.
 E. a lot of things 
 happening. Exercise 2: Write the sentence for each of the words.
 Ex: Crime is a problem in big cities.
 1. When people need money badly, they 
 1. crime
 may commit crime.
 2. healthcare 2. Good healthcare helps people to stay 
 healthy and to live longer.
 3. disease 3. Disease spreads more quickly in 
 overcrowded areas.
 4. poverty 4. In most big cities, there are many 
 wealthy people, but poverty is still a 
 problem.
 5. education 5. In the public school system, education
 is compulsory from age six to age sixteen. Ex1. Read the information about the two cities, and 
decide if they are true. If they are not, correct them.
 Brumba Crystal
 Density: 4,509 people/km2 Density: 928 people/km2
 Accommodation: 57% in slums Accommodation: 3% in slums
 Average earnings: 4$/day Average earnings: 66$/day
 Enough food: 45% population Enough food: 98% population
 Children over ten going to Children over ten going to 
 school: 71% school: 98% Ex 2: Look at the situation and complete the effects with 
more, fewer and less.
Situation: A new factory will be built in my neighborhood.
1. The factory will bring more jobs to local people.
2. More people will move here to work in the 
 factory.
3. These people will need more water and electricity.
4. There will be less space for children to play. Ex 1. Check if the tags are correct. If they are not, correct 
them.
1. You live in the countryside, do you?
 → Incorrect → don’t you?
1. Immigration causes overpopulation in big cities, isn’t 
 it? → Incorrect → doesn’t it?
2. The city will have to find a solution to reduce traffic 
 jams, won’t it? → Correct
3. The lives of people in overcrowded cities are getting 
 more difficult, aren’t they? → Correct
4. Lower death rate is one reason for population growth, 
 is it? → Incorrect → isn’t it?
5. These narrow streets can’t support more traffic, can’t 
 they? → Incorrect → can they? AU CO Junior High School
 REVISION -ENGLISH 7
 UNIT 12: AN OVERCROWDED WORLD
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