托福考试提分介词解析

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　　介词的标题主要散布在Written Expression(16-40题)中，出题焦点：

　　(1)富含介词的固定短语，(2)富含特定意义的介词误辛达托福用

　　介词常考题型及解题关键

　　1.富含介词的固定短语：短语或词组中的介词不能随意更换或省掉

　　全真例题剖析

　　(1)Most aquatic animals breathe by means external respiratory organs called gills.

　　答案：C 准确的短语为by means of，其间的介词of不能省掉

　　(2) Speed refers only toward the rate of motion without specifying any direction of motion.(94.8)

　　答案：A 准确短语方式为refer to

　　(3) Historical geology deals about data on the development of the Earth gathered from the study of rocks, which are analyzed to determine their age and composition. (93.8)

　　答案：A准确短语式式为deal with

　　(4)The diamond is the only gemstone composed with just one chemical element, carbon.

　　答案：A 准确短语方式为Be composed of

　　(5) Best known for his research in statistical mechanics and meson physics. Chen Ning Yang shared the Nobel Prize in 1957 to another physicist from the United States, Tsung-dao Lee.

　　答案：C 准确的短语调配为share…with

　　(6)The doctrine of eminent domain is based the legal tradition that all real property is subject to the control of the state.

　　答案：A 准确的短语方式为be based on其间的介词on不能省掉。

　　2. 介词用错

　　解题关键：介词与后边的名词一般有固定的调配习气，或有特定的语意功用，不能随意更换。一般，介词必有意义，不一样的介词会使全部语句表达不一样的意思。当A、B、C、D四个挑选答案中呈现独自划线的介词，应首要思考它是不是运用准确。

　　全真例题剖析

　　(1)Scientists claim that an individual can function from about three days when totally deprived of sleep.

　　答案：C from应改用for，表明动作连续的时刻使用介词for

　　(2) Canadian scarlet-clad guards and mounties with horseback are part of the summer scenery in Ottawa.

　　答案：B with改为on，“骑在马背上”使用辛达托福介词on表明方位

　　(3) During eclipses of the Sun, the Ojibwa Indians of North America shot flaming arrows inside the sky to rekindle the light.

　　答案：C inside改为into，介词into表明的动作性;shot…into the sky，天空无边无沿，不能用介词inside来润饰

　　(4) Wild elephants are almost continuously waving their trunks. Both up in the air and down aside the ground.

　　答案：D aside改为on，on the ground 是固定介宾调配。Ground 没有边缘，无法用aside来润饰

　　(5) Recent studies have shown that air into a house often has higher concentrations of contaminants than heavily polluted air outside.

　　答案：A into改为in，into着重动作，而in表明的是停止的状况。“房间里面的空气”只能用in来表明

　　(6) The early use of a complete steel frame for towering buildings appeared in the first skyscraper, built on Chicago in 1883.

　　答案：D built on改为built in，城市名前面只能用介词in来润饰

　　3.介词between和among的差异

　　解题关键between表明二者之间，among表明三者或更多的全体概念。当A、B、C、D四项挑选答案中呈现between或许among时，它一般即是此题的出题焦点。

　　全真例题剖析

　　(1) The determination of the path of Mars's orbit in 1609 became the unifying link among the two formerly separate realms of physics and astronomy.

　　答案：C among改为between

　　(2) The Carlsbad caverns, located in New Mexico, rank between the largest underground labyrinths in the world.

　　答案：B between改为among，表明大都概念或范围时使用among

　　(3) For a long time cotton ranked first bctween Alabama's crops, but today it accounts for only a fraction of the agricultural production.

　　答案：A between改为among，表明范围时使用among

　　以上即是为大家介绍的托福考试提分介词解析，各位考试要记牢。那就如今开始做题吧，遇到问题对应其解决方法，看看是不是很有用呢?多总结经验还是好的，像这些做题方法都是托福牛人总结出辛达托福来的呢，勤勉一些，相信你会是下一个托福牛人!