题目内容

Theconsumptionofaliter gasoline bycarwillemit_____kgCO₂.

A. 1.3
B. 2.0
C. 2.3
D. 3.3

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TheconsumptionofagallongasolinebycarintheUK willemit_____kgCO₂.

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

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