更多"'Greenhouse effect' means ______."的相关试题:
[单项选择]The greenhouse effect resulted hundreds of million years ago when _________.
A. the atmosphere changed dramatically
B. oxygen levels on the earth became lower
C. the sea levels became lower greatly
D. the sediment gave off enormous carbon and methane
[单项选择]The entire process is called the greenhouse effect, and most of it is caused by the {{U}}prevalent{{/U}} greenhouse gas, water vapor.
A. predominant
B. executive
C. superior
D. remarkable
[单项选择]A contributing factor to the greenhouse effect is ______.
[单项选择]The greenhouse effect we are experiencing now is resulted from ______.
A. the present environmental pollution
B. the poisonous gases produced 40 years ago
C. the development of industry
D. the wastes dumped by people
[单项选择]As far as the greenhouse effect is concerned, the author _____.
A. shares the same view with the scientists
B. is uncertain of its occurrence
C. rejects it as being ungrounded
D. thinks that it will destroy the world soon
[单项选择]In order to handle the greenhouse effect, the UNEP warns that ______.
A. the world must agree on what has caused the changing climate
B. the world must agree on what may result from the changing climate
C. all the countries should agree on how to reduce the greenhouse gases
D. all the countries should take part in looking for the solutions
[单项选择]The greenhouse effect_______.
A. is a problem raised recently
B. has drawn extensive attention all over the world
C. is the warming caused by an increase of CO2
D. should be imputed to the well-developed countries
[单项选择]If there were no greenhouse effect, ______.
A. no plants would grow on our planet
B. earth would be thirty degrees colder
C. man could not live on the earth
D. all of the above answers are correct
[单项选择]As to the greenhouse effect, the author ______.
A. shares the same view with the scientists
B. is uncertain of its occurrence
C. rejects it as being ungrounded
D. thinks that it will destroy the world soon
[单项选择]GREENHOUSE: PLANT : :
A. bottle: tonic
B. incubator: microorganism
C. orchard: underbrush
D. pipeline: gas
E. washroom: hygiene
[单项选择]Without the greenhouse gases, the earth would
A. become warmer.
B. be much colder.
C. move more slowly.
D. move quickly.
[单项选择]While most scientists agree that the greenhouse effect is coming, there are not enough data yet to say with absolute ______ what its consequences will be.
A. confirmation
B. conformity
C. conviction
D. conscience
[单项选择]The reductions on greenhouse gas emissions, called for in the Kyoto Treaty, turned out to be ______.
A. too dangerous for the U.S. economy
B. unrealistic for the year 2000
C. good for oil, coal and chemical companies
D. not too difficult to achieve in the U.S.
[单项选择]According to the passage, Greenhouse gases do NOT include _______.
A. carbon dioxide
B. methane
C. nitrous oxide
D. fossil fuels