单项选择题

It can be inferred from the passage that" Malthusians" in paragraph 3 may be someone who______.

A．worries about all the things whatever big or small.
B．comes with warning that food will not feed all the people on the earth.
C．likes to teach the public to eat less food.
D．a economist who show deep concern for the people without food.
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单项选择题
According to the passage, which of the following contribute most to the growth of the weight of the people on the earth
A．No serious wars occurred.
B．Lack of consideration for the diseases associate with growing fat.
C．Growth of the food supply.
D．Lack of medical treatment for the problem of growing fat.
单项选择题
The author's attitude towards the problem of growing fat can be best described as______.
A．worried.
B．indifferent.
C．objective.
D．pessimistic.
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