G11_ Unit 6 Looking back

Many species are threatened with_____ due to deforestation and loss of habitat.

Since the farmers used too much chemical fertilisers on their farm, they now have to drink polluted water.

There are many ways for us to reduce our______ in order to save our environment. (extinction/ carbon footprint)

More trees should be planted as they________carbon dioxide and give off oxygen.

Motor vehicles running on petrol are responsible for a large amount of carbon dioxide________.

I believe that the only way for us to reduce global warming is to cut down on______. (diversity/ energy use.)

Since we have become too dependent on the use of electricity, we have to find alternative sources of energy before fossil fuels run out.

I have seen him before. I remember that.

Rainforests have the highest species_______ on the earth.

Sam had not worked hard enough in his previous job. He regretted it.

The alarming rate of _____ results in damage to the quality of the land.

Tonya had dumped a lot of rubbish on the beach. She was strongly criticised for that.

Thanh had forgotten to turn off the gas cooker before he left his house. He admitted that.

Global warming has proved truly______ for the environment.

'You've lied to us,' the villagers said. The politician denied it.

After Ha had read some documents about Green Earth, she decided to join the organization.