题目内容

TheconsumptionofagallongasolinebycarintheUK willemit_____kgCO₂.

A. 6.4
B. 8.4
C. 10.4
D. 12.4

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Theconsumptionofa gallon gasolinebycar in the US willemit_____kgCO₂.

A. 6.7
B. 8.7
C. 10.7
D. 12.7

Theconsumptionofaliter heating oil by a family willemit_____kgCO₂.

A. 1.0
B. 2.0
C. 3.0
D. 4.0

In the medium and long term, a world-wide average emission of maximum ____ tons of CO₂ per person per year must be targeted. This amount is nowadays considered to be the maximum allowed quantity for a sustainable living on earth.

A. 1
B. 2
C. 3
D. 5

According to the IPCC, around __________% of flora and fauna species evaluated during climate change studies are at risk of extinction. As a matter of fact, more than a million species could face extinction.

A. 10-15
B. 15-25
C. 20-30
D. 30-50