Câu hỏi: Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer for each of the blanks from 25 to 29.
Trees are amongst the biggest and longest-living things on Earth, some dating back longer than the oldest buildings. But, as well as being nice to look at, trees also play an important role in improving the quality of our lives.
On a world-wide (25) ___________forests help to slow down the effects of global warming by using up the gas (26) ___________as carbon dioxide and giving (27) ___________the oxygen we need to breathe. At local neighborhood level, trees also (28) ___________important environmental benefits. They offer shade and shelter, which in turn reduces the amount of energy needed to heat and cool (29) ___________buildings. At the same time, they remove other impurities from the air we breathe.
The word or phrase which best fits the gap (27) is...
A. in
B. away
C. up
D. out
Trees are amongst the biggest and longest-living things on Earth, some dating back longer than the oldest buildings. But, as well as being nice to look at, trees also play an important role in improving the quality of our lives.
On a world-wide (25) ___________forests help to slow down the effects of global warming by using up the gas (26) ___________as carbon dioxide and giving (27) ___________the oxygen we need to breathe. At local neighborhood level, trees also (28) ___________important environmental benefits. They offer shade and shelter, which in turn reduces the amount of energy needed to heat and cool (29) ___________buildings. At the same time, they remove other impurities from the air we breathe.
The word or phrase which best fits the gap (27) is...
A. in
B. away
C. up
D. out
Give out: produce sth
Give away: present sth
Give away: present sth
Đáp án D.