2. 外语
  3. A、The influence of volcanic eruptions on global weather patterns is almost completely understood at present. B、Scientists have o

A、The influence of volcanic eruptions on global weather patterns is almost completely understood at present. B、Scientists have o

admin2009-05-19  91
问题
选项 A、The influence of volcanic eruptions on global weather patterns is almost completely understood at present.
B、Scientists have only begun to understand, however, the effects of these wavelengths of light on the global environment.
C、The majority of global cooling effects have thus been attributed to volcanic explosions.
D、The human warming activities ameliorate by volcanic eruptions include those produced both by heavy industry and agriculture.
E、The reason that sulfate aerosols take an unusually large time to disperse owes primarily to meteorological factors, including the jet stream.
答案B
解析
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