Choose the best answer to complete the passage.
INTERFERING WITH NATURE
Climate change is caused by the (1) ____ high levels of dangerous chemicals in the atmosphere, particularly carbon dioxide. It is estimated that average global temperatures will rise (2) ____ between two and six degrees by the end of this century. We all know the effects could be catastrophic, but are we (3) ____ of the possible solutions?
Crazy as it sounds, a group of academics from British universities is making a plan to build a 12-mile pipe, held up by a huge balloon, that would pump (4) ____ quantities of toxic chemicals, such as Sulphur dioxide, into the atmosphere. Surprisingly, there is good science behind the idea. The chemicals would form a (5) ____ layer around the Earth that would reflect sunlight and so cool the earth, much like the effects of a volcanic eruption.
It is estimated that average global temperatures will rise (2) ____ between two and six degrees by the end of this century.
Trả lời bởi giáo viên
=> It is estimated that average global temperatures will rise (2) by between two and six degrees by the end of this century.
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Hướng dẫn giải:
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