Câu hỏi:

When you save energy, you not only save money, 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.

A. carbon footprint

B. electricity

C. fossil fuels

D. biogas

Câu 1:

 ___________ can be an excellent source of free, renewable energy for poor farmers.

A. Turbine

B. Biogas

C. Solar panel

D. Bulb

Câu 2:

Will your class visit the hydro power station in Hoa Binh next week?

A. Correct

B. Incorrect

Câu 3:

 ___________ energy is produced by collecting sunlight and converting it into electricity.

A. Hydro electric

B. Nuclear

C. Solar

D. Wind

Câu 4:

Laos and Cambodia have big plans for building up to 11 ___________ on the lower Mekong.

A. dams

B. slogans

C. energy

D. coals

Câu 5:

Two layers of glass in the window will be stopped the heat going out.

A. Correct

B. Incorrect

Câu 6:

The result of the exam will announce in June.

A. Correct

B. Incorrect