WELCOME TO OUR CLASS
REVIEW 4
(UNITS 9-10)
PART1: LANGUAGE
Tuesday, May 11th, 2021
1. Complete these sentences using the correct forms of the words in brackets.
1. The ……………….... world is the world of trees, rivers, animals and birds. (nature)
2. Drinking water in this area is highly …………………. by waste. (pollute)
3. Governments are nowadays playing an active role in  ………….…………….. protection. (environment)
4. All countries around the world should make plans for ……………………. development. (sustain)
5. Scientists are studying the …………………… effects ofglobal warming. (ecology)
Vocabulary
(adj.)
(v.)
(adj.)
(adj.)
(adj.)
natural
polluted
environmental
sustainable
ecological
2. Complete the following sentences with suitable words from the box.
1. Air …………………. is threatening the health of older people and children.
2. All efforts should be made to reduce the negative impacts of ……………………..on climate change and human health.
3. ………………….. and land use for agriculture are destroying rare plants and wildlife.
4. The ozone layer helps ……………. us from the sun`s rays.
5. …………… has a terrible effect on forests and life in rivers and lakes.
pollution
global warming
Deforestation
protect
Acid rain
3. Sort out the words according to their stress patterns and read them aloud.
pollution
economy
conservation
poverty
protection
environment
newsletter
composition
relaxation
ecology
chemical
awareness
sustainable
preservation
solution
energy
PRONUNCIATION
4. Rewrite these sentences using reported speech.
1. “People are cutting down the rainforests”
=>Mary said  …………………………………………….…………
2. `Car pollution is a big problem in my city’
=> Tom said ……………………………………………………..…..
3. `Chemicals are destroying the ozone layer!
=> Scientists say …………………………………………………….
4. `Shut the door but don`t lock it!
=> He told me ……………………………………….
5. `Burning gas, oil, and coal can cause acid rain’
=>Our teacher explained …………………………………………..

GRAMMAR
(that) people were cutting down the rainforests.
(that) car pollution was/ is a big problem in his city.
(that) chemicals are destroying the ozone layer.
to shut the door but not to lock it.
(that) burning gas, oil, and coal could / can cause acid rain.
5. Put the verbs in brackets in the correct forms.
1. If tourists …………………… (not throw) rubbish in the river, the water would be cleaner.
2. We …………… (go) camping this Sunday if the weather is fine.
3. Many people would be out of work if that factory …….........…... 
(close down).
4. If there ……(be) too much noise in my office, I won`t be able to do any work.
5. People will suffer from noise pollution if they……… (build) an airport in this area.
didn’t throw
will go
closed down
is
build
6. Put the verbs in brackets in the correct tenses.
1. What  you………………. (do) if you go to Cuc Phuong National Park?
2. I ……………..(be) grateful if you`d send me the brochure.
3. If I …………(be) you, I ……………….(go) to Ha Long Bay.
4. We will reduce air pollution if we ……….(use) public transport.
5. Sorry, I can`t call her. If I …………(know) her number, I …………………(phone) her.
will you do
would be
were
would go
use
knew
would phone
Homework

Learn by heart all the words and structure learned in Units 9-10

Prepare Review 4- Skills.
Goodbye!
See you again