Một người đi xe máy từ a tới b tới vận tốc trung bình là 30km,lúc về người đó chỉ đi với vận tốc trung bình là 24km/h,do đó thời gian về nhiều hơn thời gian đi là 30p,tính quãng đường ab

Ex IV: Odd one out

1. A. water

B. air

C. land

D. surprise

2. A. factory

B. damage

C. break

D. destroy

3. A. pollute

B. happen

C. unclean

D. protect

4. A. cause

B. presentation

C. problem

D. effect

5. A. sneeze

B. breathe

C. cough

D. activity

6. A. gas

B. visual

C. dust

D. fume

7. A. litter

B. rubbish

C. waste

D. beneficial

8. A. produce

B. contain

C. change

D. unable

9. A. carefully

B. substance

C. atmosphere

D. surface

10. A. expose

B. occur

C. radioactive

D. change

Ex V: Match

1.dump

a. a presentation

2.change

b. breathing problems

3.pollute

c. litter on the ground

4.give

d. chemical waste into the river

5.take

e. so much noise

6.have

f. people’s behavior

7.throw

g. more parks

8.get

h. the environment

9. build

i. more diseases

10. make

j. some pictures

Ex VIII: Complete the table with appropriate verbs, nouns and adjectives

Verb

Noun

Adjective

Attract

Attraction

1………………………………

2………………………..

3…………………………..

Polluted

Destroy

4…………………………

5……………………………..

6……………………….

safe

economy

7………………………….

8……………………..

Care

9………………………….

Ex III: Write the words in the correct column according to the stress pattern

symptom, permanent, wonderful, solution, behavior, renewable, harmful,

atmosphere, chemical, substance, activity, government, economic, continue,

condition

0o

0oo

o0oo0oo

oo0o

Ex I: Choose a word that has different sound in the part underlined

1. A. pollution

B. ocean

C. occur

D. protect

2. A. radiation

B. atmosphere

C. activity

D. advertising

3. A. look

B. book

C. childhood

D. roof

4. A. chemical

B. temperature

C. decrease

D. relative

5. A. water

B. write

C. what

D. which

Ex II: Circle the word with a different stress pattern from the others

1. A. poison

B. dumping

C. pollute

D. picture

2. A. contain

B. water

C. effect

D. reduce

3. A. population

B. environment

C. immediate

B. pollution

4. A. thousand

B. musical

C. problem

D. economic

5. A. behavior

B. renewable

C. protection

D. temperature

I. Find the word which has different sound in the part underlined.

1. A. wanted

B. worshipped

C. needed

D. expected

2. A. community

B. computer

C. museum

D. customs

3. A. food

B. book

C. goods

D. cook

4. A. custom

B. bus

C. cushion

D. custard

5. A. stripe

B. string

C. spring

D. trip

6. A. honey

B. donkey

C. money

D. survey

7. A. youth

B. cloth

C. bathe

D. month

8.

A. mention

B. question

C. action D.education

9.

A. minority

B. ethnic

C. tradition

D. religion

10.A. festival

B. man

C. fat

D. grand

11.A. saint

B. tailor

C. explain

D. said

12.A. school

B. architect

C. change

D. chemical

13.A. buffalo

B. minority

C. gold

D. close

14.A. end

B. pencil

C. open

D. bench

15.A. remote

B. explore

C. relax

D. diverse

biết tỉ khối của khí A năng hơn không khí 2,448 lần.tìm khí A

Ex XI: Write the correct form of the word given

1. What an ……………………fairy tale it is! INTEREST

2. While I was watching the …………………., I met one of my old friends in high school. PERFORM

3. ………………..ancestors is one of the core traditions of Vietnamese people. WORSHIP

4. It is really important to ………………our traditional festivals for future generations. PRESERVATION

5. She went to the party and suddenly a handsome man………………..invited her to dance with him. POLITE

6. In the end, the couple got married and lived………………….ever after. HAPPY

7. How many …………………..are there in your father’s company? EMPLOY

8. …………………, there are twenty questions in the reading test. NORMAL

9. In Japanese culture, the bow shows deep gratitude, a …………………greeting or formal apology.

RESPECT

10. Fairy tales help children learn moral lessons and develop …………………IMAGINE

11. In ……………., the group work strengthens problem solving skills through different situations, ADD

12. Reading fairy tales to young children can be ………………….BENEFIT

13. Everyone should ………………….follow the rules of the school. STRICT

14. As she was wearing shorts, she was not ……………………to get into the temple. ALLOW15. The young men were sad because of the ………………………of the treasure. APPEAR