According to the lecture, what did Malthus specifically blame the lower class for?
A.Having more children than they could support.
B.Not putting in enough hours of labor.
C.Destroying the air quality in cities like London.
D.Wanting too many luxurious items.
第8题
呼吸衰竭最早出现的症状是()。
A.发绀
B.呼吸困难
C.精神反常
D.心率减慢
E.消化道出血
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