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【简答题】
试述分娩发动的机理。
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举一反三
【单选题】Which of the following is not mentioned as an effect of the dowry system?
A.
The husband had to share the power of decision in marriage.
B.
The husband was given control over his wife' s property.
C.
The wife gained a powerful economic position.
D.
The wife was protected from desertion.
【简答题】After many years of hard work,Mary and her husband had at last paid ________all the money they had borrowed. A．for B．out C．in D．off
【单选题】Which of the following is NOT mentioned as an effect of the dowry system?
A.
The husband had to share the power of decision in marriage.
B.
The wife was protected from desertion.
C.
The wife gained a powerful economic position.
D.
The husband was given control over his wife's property.
【单选题】The results of previous research on the effects of calorie restriction are unconvincing because
A.
the subjects of the research were either of overweight or slightly underweight.
B.
calorie-restricted animals showed different physical signs in the research.
C.
the decrease in body temperature may result from changes of outside temperature.
D.
people cannot tell the benefits of losing weight from those of calorie restriction.
【单选题】The article made no ______ to previous research on the subject.
A.
researches
B.
entrances
C.
accesses
D.
references
【简答题】Cathy had hardly said a word since supper, nor had her husband．
【单选题】已知函数 的导函数 的图象如图,则下列叙述正确的是 ( )
A.
函数 在 上单调递减
B.
函数 在x=-1 处取得极大值
C.
函数 在x=-4 处取得极值
D.
函数 只有一个极值点
【单选题】已知定义在R上的函数f（x），其导函数f′（x）的大致图象如图所示，则下列叙述正确的是（ ）
A.
f（b）＞f（c）＞f（d）
B.
f（b）＞f（a）＞f（c）
C.
f（c）＞f（b）＞f（a）
D.
f（c）＞f（b）＞f（d）
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