Solar energy, air and water are _____ resources because there is unlimited supply.
A. limited
B. renewable
C. available
D. non-renewable
limited (adj): giới hạn
renewable (adj): có thể tái tạo
available (adj): sẵn có
non-renewable (adj): không thể tái tạo
=> Solar energy, air and water are renewable resources because there is unlimited supply.
Tạm dịch: Năng lượng mặt trời, không khí và nước là nguồn tài nguyên có thể tái tạo được vì nguồn cung cấp không giới hạn.
Đáp án cần chọn là: B
Venus approaches the Earth more closely than any other planet is.
Many organizations have been set up and funds have been raised.
Dinosaurs became ____ millions of years ago.
We should develop such ____ sources of energy as solar energy and nuclear energy.
Trees not only bring nature to urban areas, but they also help clean the air by absorbing pollutants, ______ oxygen, ______ water, and grow food.
Nancy isn’t used to walking so far.
Many national parks have been established to protect ____animals.
Fewer people came to the meeting than we had expected.
I’m always nervous when I travel by air.
Increased consumption will lead to faster ____ of our natural resources.
I do apologize for my forgetting your birthday.
Robert Frost was not well known as a poet until he reached the forties.
The amounts of oxygen and nitrogen in the air almost always remain stable, but the amount of water vapor vary considerably.
The American frontiersman, politician, and soldier Davy Crockett is one of the most popular of American hero.
Oil, coal and natural gas are ____ fuels made from decayed material.