Vocabulary and Grammar
Vui lòng cài đặt đề thi trước khi làm bài
To save electricity, we are cutting down __________ our central heating.
A hydroelectric dam ______________ in this area now.
Let’s _________ water by turning off tapes when not using.
Deforestation _________ destroying Earth’s plant and animal variety.
I_______ in the lounge for ten minutes.
There are about 3,000 plants __________ values as medicines against cancer, AIDS, heart disease and many other sicknesses.
Man and most animals need a _____________ supply of water to live.
Both fossil fuel _______ non-renewable resources are very important to our life.
__________ we conserve natural resources, they will run out very soon.
What about ___________ the solution together this afternoon?
Without plants, most water ____________ off as soon as it falls, taking away valuable soil.
Recycling is a good way of ___________ the environment.
Each year about fifty hundred_________ of plants and animals are already being eliminated.
The students _______to be at school at 8 am.
The leopard is _________ the threat of extinction.
