更多"As to the greenhouse effect, the au"的相关试题:
[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]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]What will be the result of the greenhouse effect
[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
