单项选择题

The tone of the story shows the author believes the problem is ______.

A．difficult to solve, perhaps impossible
B．difficult to solve but not impossible
C．impossible to solve
D．beyond the question
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单项选择题
Most of the people of the world get ______.
A．enough food in the good years
B．insufficient food for all times
C．food from the "have" countries in bad years
D．richer than before
单项选择题
The word holistic (Line 5, Para. 3) means
A．holy
B．hostile
C．whole
D．unholy
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