托福基础阅读 4.ppt

例题3 bone fracture. Vitamin D is necessary to increase the body’s ability to absorb calcium. 做题小原则 若空出现在文章开头，不选。 若空前后两句话中，头一句结尾部分内容与后一句开头部分内容一致，不选。 but是并列连词，因此所连接的前后两个句子是并列关系，但在语义上，but表示转折，因此后半句的语义更为重要 but是并列连词，因此所连接的前后两个句子是并列关系，但在语义上，but表示转折，因此后半句的语义更为重要 but是并列连词，因此所连接的前后两个句子是并列关系，但在语义上，but表示转折，因此后半句的语义更为重要 but是并列连词，因此所连接的前后两个句子是并列关系，但在语义上，but表示转折，因此后半句的语义更为重要 but是并列连词，因此所连接的前后两个句子是并列关系，但在语义上，but表示转折，因此后半句的语义更为重要 * * * 在段落前的空，基本是错的。因为改变了首句，就改变了全段的中心意义。 * 此句为结果，那前句肯定讲到了原因，什么原因呢？佝偻病的原因，那么佝偻病的原因是什么，这个原因就是插入局前面的句子 * 第一句，讲维他命D的作用，能不能插到第一个空？不可以，因为第一句的最后一个词和第二句的开头一个词联系太紧密。也就是说，第二句还在顺着继续讲维他命D的事情， * 那么第二空呢？你会发现第二空后面的句子还是在讲维他命D 的形成，因此，事实上前三个空都在讲维他命D与骨骼的事情。然而下面就开始转折，并讲缺少维他命D了。 * 例题一 C. Inequalities of gender in pastoralist societies were caused by steep hierarchies of wealth and differences in military training between men and women. 例题一 C. Inequalities of gender in pastoralist societies were caused by steep hierarchies of wealth and differences in military training between men and women. 选项与原句主干信息不符 例题一 D. In pastoral societies, gender inequality is comparatively mild because wealth is relatively evenly distributed and women have to learn most of the same skills that men do. 例题一 D. In pastoral societies, gender inequality is comparatively mild because wealth is relatively evenly distributed and women have to learn most of the same skills that men do. 例题一 D. In pastoral societies, gender inequality is comparatively mild because wealth is relatively evenly distributed and women have to learn most of the same skills that men do. 选项与原句主干相符 细节信息相符 例题二 Which of the sentences below best expresses the essential information in the highlighted sentence in the passage? Incorrect choices change the meaning in important ways or leave out essential information. 例题二 Unlike in the Americas, where metallurgy was a very late and and limited development, Africans had iron from a relatively early date, developing ingenious furnaces to produce the high heat needed for production and to contr