Scientists therefore agree that it is (i) ________ spread of global warming before it is too late. Solar radiation and volcanic emissions (ii) ________ produce natural global warming. Yet. the major responsibility for turning global warming into a potential dangerous activity falls on humans. Ever since the Industrial Revolution, the burning of fossil fuels to power cars and generate electricity (iii) ________ to the ever-increasing emission of toxic carbon monoxide and carbon dioxide into the atmosphere. These gases trap heat and lead to the formation of the so-called greenhouse effect, which in turn (iv) ________ global temperatures. Only decisive government measures will curb down and limit the growth of this destructive (v) ________ on our planet.
(i)______
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Lời giải:
Báo saiĐáp án B
Cấu trúc It is high/about time (for sb) to do sth: Đã đến lúc làm gì