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The October 11 Guardian claimed that the rate of CO₂ accumulation was increasing at an alarming rate in 2002 and 2003.

【参考答案】

Y

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The glaciers have been entering oceans at a higher rate than before.

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According to the scientists it is the emission of CO(2 by human beings that causes the increases of CO2 levels.

The October 11 Guardian claimed that the rate of CO2 accumulation was increasing at an alarming rate in 2002 and 2003.