Trắc nghiệm Anh 7 đề 10

Nuclear power is expensive and damgerons ___  our environment. 

The wind,the sun, and the wave are some types of ___ sources of energy.

Wind power is one of the earliest  ___ sources of energy used by humankind

When you save energy, you not only save money, but you also reduce the demand for ___ such as coal, oil, and natural gas and that is a great way to play a part in saving the planet.

We will cut down in the use of natural gas because it is ___ and harmful to he environment.

Some new energy-saving bulbs ___ in the dining room.

At this time next month, we ___ to Ha Long Bay for a holiday.

In India, the demand for ___ has always been more than the supply. 

“ Why is it called a  ___ sOurce？ "-" Because it can be replaced easily and quickly. "

In many coutnes, people think that electricity, gas and water are not luxuries but ___ .