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【单选题】
女，24岁，孕期进行产前检查，既往月经规则，周期为28天，末次月经为6月1日。下列错误的是A.
一般情况下，排卵期约在6月15日
B.
若受孕，孕卵着床时间约在6月18日
C.
B超下可能发现妊娠环的最早日约在7月15日后
D.
B超开始能观察到原始胎心搏动的时间约在7月20后
E.
预产期次年3月8日
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【单选题】Thomas Malthus suggested that population growth ____________________.
A.
and the land's potential to produce food would grow at the same rate
B.
would lead to strong and better societies
C.
would grow at a slower rate than land's potential to produce food
D.
would ually lead to starvation and death as it exceeded the land's potential to produce food
【单选题】According to the classical growth theory of Thomas Malthus,
A.
labor productivity increases continuously.
B.
the population growth rate is fixed.
C.
technological advances lead to permanent increases in real GDP per person.
D.
increases in real GDP per person are only temporary.
【简答题】《素问•脉要精微论》:岐伯对曰:诊法常以平旦,阴气未动,( ),饮食未进,经脉未盛,( ),气血未乱,故乃可诊有过之脉。
【简答题】Thomas Malthus published his Essay on the Principle of Population almost 200 years ago. Ever since then, forecasters have being warning 【M1】 ______ that worldwide famine was just around the next comer...
【简答题】Thomas Malthus was an Anglican clergyman.
【简答题】《素问•脉要精微论》:岐伯对曰:诊法常以平旦,( ),阳气未散,饮食未进,经脉未盛,络脉调匀,( ),故乃可诊有过之脉。
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