act各单项介绍act阅读主旨题.ppt

  一. 主旨的定义 主旨 = 主题（KW） +方向（正负感情色彩） +关系词（逻辑） 一. 主旨的定义 Why you may wonder should spiders be our friends? Because they destroy so many insects, and insects include some of the greatest enemies of the human race. Insects would make it impossible for us to live in the world. They would devour all our crops, and kill our flocks and herds, if it were not for the protection we get from insect-eating animals. We owe a lot to the birds and beasts who eat insects but all of them put together kill only a fraction of the number destroyed by spiders. Moreover, unlike some of the other insect-eaters, spiders never do the least harm to us or our belongings. 一. 主旨的定义 “主题” 是这段话讲的事物（spiders） “方向”是该事物是好是坏（friends） “关系词”是维持或者改变方向的标志 （Because、and和Moreover）。 二. 如何掌握主旨 错误方法： 匀速阅读，精读每个单词和句子 正确方法： 变速阅读，先慢后快 二. 如何掌握主旨 汉语族人的思维方式是“螺旋式”的，喜欢画龙点睛， “Save the best for the last”。 英语族人的思维方式是“直线式”的，喜欢直入主题， “Say what you want to say, then say why”。 70%-80%的英语段落都是首句是主题句 二. 如何掌握主旨 变速阅读： 精读首句（把握首句的“主题”和“方向”） 浏览全段（把握全段的“关系词”）， 二. 如何掌握主旨 All these activities may have damaging environmental impacts. For example, land clearing for agriculture is the largest single cause of deforestation; chemical fertilizers and pesticides may contaminate water supplies; more intensive farming and the abandonment of fallow periods tend to exacerbate soil erosion; 二. 如何掌握主旨 and the spread of monoculture and use of high-yielding varieties of crops have been accompanied by the disappearance of old varieties of food plants which might have provided some insurance against pests or diseases in future. 二. 如何掌握主旨 精读首句： 主题是“environmental impacts” 方向是“damaging”（负向） 浏览全段 关系词：For example及四个并列的分句维持着首句的方向。 主旨：“环境影响是破坏性的” 二. 如何掌握主旨 Drama is sometimes seen as a branch of literature because plays，like literature, are often printed in book form. However, there is an important difference between the two forms. Unlike a novel，a play is written to be performed, and the script