$\text{1.}$ B
$\text{→}$ It has been one of the main sources of energy.
$\text{2.}$ B
$\text{→}$ Alternative energy is developed to replace fossil fuel in the future.
$\text{3.}$ A
$\text{→}$ Many countries have installed solar panels and built windmills to generate power.
$\text{4.}$ A
$\text{5.}$ B
$\text{→}$ Renewable energy such as solar power, wind power is environmentally friendly.
Vocabulary:
- fossil fuel: nhiên liệu hóa thạch
- development <n>: sự phát triển
- reliant <adj>: tin tưởng, tín nhiệm
- alternative energy: năng lượng thay thế
- finite <adj>: có hạn
- non-renewable: ko tái tạo dk
- install <v>: lắp vào
- generate <v>: phát ra
- contribute <v>: góp phần
- emission <n>: khí thải
- environmentally friendly: thân thiện với môi trường
