Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct word or phrase for each of the numbered blanks from 11 to 15. TREES FOR LIFE Trees are among the biggest and longest-living things on Earth, some dating back longer than the oldest buildings. But (11)_______ being nice to look at, trees also play an important role in improving the quality of our lives. On a world-wide (12)_______, forests help to slow down the effects of global warming by ...

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct word or phrase for each of the numbered blanks from 11 to 15. TREES FOR LIFE

Trees are among the biggest and longest-living things on Earth, some dating back longer than the oldest buildings. But (11)_______ being nice to look at, trees also play an important role in improving the quality of our lives.

On a world-wide (12)_______, forests help to slow down the effects of global warming by using up the gas known as carbon dioxide and giving (13)_______ the oxygen we need to breathe. At local neighborhood level, trees also (14)_______ important environment benefits. They offer shade and shelter, which in (15)_______ reduces the amount of energy needed to heat and cool nearby buildings; at the same time, they also remove other impurities from the air we breathe.