解读托福阅读主旨题题型算分方式和答题技巧.doc
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1、解读托福阅读主旨题题型算分方式和答题技巧 托福阅读中主旨题作为压轴题型,其难度和分值都是比较高的,今天给大家带来了解读托福阅读主旨题题型算分方式和答题技巧,希望能够帮助到大家,下面就和大家分享,来欣赏一下吧。解读托福阅读主旨题题型算分方式和答题技巧托福阅读主旨题题型分析托福阅读主旨题的题型是从六个选项中找出三个最能够代表*主旨的选项。这三个正确选项,有可能各自对应一段的主旨大意,也有可能一个选项概括至多三段原文的内容,是非常好的对考生的段落大意提炼和概括的考察。主旨题对于语言能力的考查十分严格,哪怕是阅读能到25分的考生,在应对这个题目的时候也会很头疼,一方面是概括段落大意能力上的缺失,另外一
2、个方面还是主旨和细节甄别能力的缺失,只要有效的复习,其实这个题目的分数是很好拿的。托福阅读主旨题算分方式讲解托福阅读最后一题算分标准是:分值一般为2分。答对3个得2分;答对2个得1分;答对一个或者全错得0分。六选三的题满分2分,选对2个得1分,选对1个不得分;七选五的题满分3分,选对4个得2分,选对3个得1分,选对两个和两个以下不得分托福阅读主旨题解题技巧指点考生在做托福阅读题的时候需要重视开头段,结尾段和过渡段,在这三个地方,一般会包含着托福阅读段的真实题义。先用最快的速度按细节排除的原则作,一般能排除两个细节选项,那么最多只错一个了,然后往往还有一个选项是被改动过是错的。做托福阅读时先浏览
3、每个段落的首句(第一段短的话每句都要看),然后按段落记录关键词。分清楚*细节与主题。在读*的时候做好*分析,那些是本段论点,那些是段落中的举例,和离体内容。那些肯定不是答案。除了一种情况,大段举例可以作为主旨。托福阅读时做好简单笔记。理清*思路。哪些是论点及论点的支持论据,哪些是转折,作者态度,就这三点。排除*中没有提到的选项。通过上述方法,考生想要做对托福阅读的主旨题,只要再结合一定的阅读练习相信都是可以做到的。还不清楚如何应对主旨题的同学可以学习*内容,提升主旨题的正确率。托福阅读详解之大米草(Spartina)P1: Spartina alterniflora, known as cor
4、dgrass, is a deciduous, perennial flowering plant native to the Atlantic coast and the Gulf Coast of the United States. It is the dominant native species of the lower salt marshes along these coasts, where it grows in the intertidal zone (the area covered by water some parts of the day and exposed o
5、thers).难词解析:deciduous adj. 落叶的;短暂的perennial adj. 不断出现的;多年生的dominant adj./n.处于支配地位的;占优势的人expose v. 使显露;揭露难句解析:Spartina alterniflora, (known as cordgrass, ) is a deciduous, perennial flowering plant native to the Atlantic coast and the Gulf Coast of the United States.大米草,俗称网茅,是一种落叶的多年生开花植物,原产自美国大西洋沿岸和
6、墨西哥湾地区。P2: These natural salt marshes are among the most productive habitats in the marine environment. Nutrient-rich water is brought to the wetlands during each high tide, making a high rate of food production possible. As the seaweed and marsh grass leaves die, bacteria break down the plant mater
7、ial, and insects, small shrimp like organisms, fiddler crabs, and marsh snails eat the decaying plant tissue, it, and excrete wastes high in nutrients. Numerous insects occupy the marsh, feeding on living or dead cordgrass tissue, and redwing blackbirds, sparrows, rodents, rabbits, and deer feed dir
8、ectly on the cordgrass. Each tidal cycle carries plant material into the offshore water to be used by the subtidal organisms.难词解析:productive adj. 生产力高的;富有成效的break down 故障;崩塌;中断organism n. 微生物fiddle v./ n. 不停摆弄;调试;弦乐器snail v./ n. 蜗牛;缓慢行动excrete v. 排泄;分泌难句解析:As the seaweed and marsh grass leaves die,
9、bacteria break down the plant material, and insects, small shrimplike organisms, fiddler crabs, and marsh snails eat the decaying plant tissue, it, and excrete wastes high in nutrients.随着海草和沼泽禾草叶子的死亡,细菌将植物体分解,昆虫、小型虾状浮游生物、招潮蟹和沼泽蜗牛吃掉了腐烂的植物组织,消化后排出富含营养的排泄物。P3: Spartina is an exceedingly competitive pla
10、nt. It spreads primarily by underground stems; colonies form when pieces of the root system or whole plants float into an area and take root or when seeds float into a suitable area and germinate. Spartina establishes itself on substrates ranging from sand and silt to gravel and cobble and is tolera
11、nt of salinities ranging from that of near freshwater (0.05 percent) to that of salt water (3.5 percent). Because they lack oxygen, marsh sediments are high in sulfides that are toxic to most plants. Spartina has the ability to take up sulfides and convert them to sulfate, a form of sulfur that the
12、plant can use; this ability makes it easier for the grass to colonize marsh environments. Another adaptive advantage is Spartinas ability to use carbon dioxide more efficiently than most other plants.难词解析:exceedingly adj. 非常的;超越的germinate v./ n. 发芽convert v. / n. 转变;改建;换算adaptive adj. 能适应的难句解析:Spart
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