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　　因果關系

　　解題技巧：因果關系可以又表示原因、目的、條件、并列的詞來表示，也可以沒有關系詞，是隱含的因果關系。

　　練習：

　　….An educated mother, on the other hand, has greater earning abilities outside the home and faces an entirely different set of choices. She is likely to have fewer but healthier children and can insist on the development of all her children, ensuring that her daughters are given a fair chance. The education of her daughters then makes it much more likely that the next generation of girls, as well as of boys, will be educated and healthy. The vicious circle is thus transformed into a virtuous circle…

　　Q: The author believes that a vicious circle can turn into a virtuous circle when _______.

　　A. women care more about education

　　B. parents can afford their daughters’ education

　　C. girls can gain equal access to education

　　D. a family has fewer but healthier children

　　答案：選C。原文倒數第二句提到，如果女孩擁有了平等受教育的機會，將來她的女兒受教育的機會就會更大，這樣一代一代便形成了良性循環。原文中的thus明確表明了這種關系。選項中的gain equal access to對應文中的are given a fair chance。