To prevent global warming, people have made the following efforts except ______.
A. Business groups have called the federal for regulation of greenhouse gases
B. Al Gore's filmed his documentary "An Inconvenient Truth"
C. The Supreme Court made its first global warming-related decision
D. The EPA has been authorized to regulate carbon dioxide
查看答案
A．lawfulB．historicalC．naturalD．logical
A. lawful
B. historical
C. natural
D. logical
A．caseB．stateC．conditionD．affair
A. case
B. state
C. condition
D. affair
What caused the disaster in Australia's dairying regions？
A. The conversion of the dairy farm.
B. The collapse of the irrigation system.
C. Rural ruin.
D. Water shortage.
What was declared by the United Nations scientific panel studying climate change？
A. The warming trend is understandable.
B. Human activity is very likely responsible for the warming trend.
C. The change of the climate has been the driving force in human activity.
During the last 50 years, human activity has changed a lot.
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