According to the traditional view of the origin of the ocean basins, which of the following is sufficient to move the continental plates
A. Spreading of ocean trenches.
B. Movements of min-ocean ridges.
C. Sinking of ocean basins.
Differences in temperature under oceans and continents.
From the passage we may conclude that writer is ________.
A. one of the organizers of the games for the disabled
B. a disabled who once took part in the games
C. against holding the games for the disabled
D. in favor of holding the game for the disabled
According to the passage, which of the following is NOT true
A. Joblessness is an economic misfortune.
B. Joblessness is a psychological disaster for the unemployed and their families.
C. Joblessness can cause the unemployed to commit suicide.
D. Joblessness is a contagious disease.
在地下室施工时，发生的洞库照明费，应（）。
A. 在施工取费定额中考虑
B. 按所涉及子目定额人工费的40％计算
C. 按所涉及子目定额人工费与机械费之和的40％计算
D. 已包括在相应定额子目的消耗量中，不另行增加
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