我们在总结近五年亚洲与北美托福考试语法部分试题的基础上，为同学总结出错误率在60%以下的易错难题汇编，希望大家能汲取常见错误原因，从而有效地跳开托福考试中的出题陷阱. [b][b]　　1.[Melting] glaciers may [account the] rise [in sea level] that [has taken place] honing this century. [b][b]　　答对率：50% [b]　　答案：b [b][b]　　2.Anthropologist jane Goodall [has contributed] a [wealth information] concerning primate behavior [through] her [studies] of chimpanzees. [b][b]　　答对率：46% [b]　　答案：b [b][b]　　3.The [discovery] of gold in 1848 [transformed] San Francisco suddenly from a [quiet] portsintosone of the world"s richest and most famous [city]. [b][b]　　答对率：44% [b]　　答案： d [b][b]　　4.Allan Pinkerton,[founder] of [the famous] detective agency that bears [him] name,directed a Civil War espionage system [behind] Confederate lines. [b][b]　　答对率：38% [b]　　答案：c [b][b]　　5.The city of Kalamazoo, Michigan,derives its name from a Native American word....."bubbling springs." [b][b]　　A.meant [b]　　B.meaning [b]　　C.that is meant [b]　　D.whose meaning [b]　　答对率：46% [b]　　答案：b [b][b]　　6.Salt is manufactured in quantities that exceed those of most,.......,other commercial chemicals. [b][b]　　A.of an not [b]　　B.not if an are [b]　　C.are not an [b]　　D.if not an [b]　　答对率：49% [b]　　答案： d [b][b]　　7.Contemporary film directors,some of [them] write the scripts for,act in,and [even] produce their own [motion] pictures, are [thereby assuming] ever more control of their art. [b][b]　　答对率：43% [b]　　答案：a [b][b]　　8.Petroleum [it is] composed [of] a complex[mixture] of hydrogen and [carbon]. [b][b]　　答对率：31% [b]　　答案：a [b][b]　　9.The air inside a house or office building often has higher concentrations of contaminants ....... heavily polluted outside air. [b][b]　　A.than does [b]　　B.more [b]　　C.as some that are [b]　　D.like of [b]　　答对率：50% [b]　　答案：a [b][b]　　10.Emily Dickinson"s garden was a place...... great inspiration for her poems. [b][b]　　A.that she drew [b]　　B.by drawing her [b]　　C.from which she drew [b]　　D.drawn from which [b]　　答对率：50% [b]　　答案：c [b][b]　　11.In the United States [among] 60 percent [of the space] on the pages of newspapers [is reserved] for [advertising]. [b][b]　　答对率：47% [b]　　答案：a [b][b]　　12.Scientists believe that by [altering] the genetic composition of plants it is possible to develop specimens that are [resisting] to [disease] and have [increased] food value. [b][b]　　答对率：50% [b]　　答案：b [b][b]　　13.The American anarchist Emma goldman infused her spirited lectures,[publishes],and demonstration [with a] passionate [belief] in the freedom of [the] individual. [b][b]　　答对率：36% [b]　　答案：a [b][b]　　14.[Being] the biggest expanse of brackish water [in the] world,the Baltic Sea [is of] special [interesting] to scientists. [b][b]　　答对率：44% [b]　　答案：d [b][b]　　15.While studying the [chemistry] [of human body],Dr.Rosalyn Yalow won a Nobel Prize for the research she [conducted on] the [role of] hormones. [b][b]　　答对率：37% [b]　　答案：b [b][b]　　16.The early railroads were........the existing arteries of transportation: roads,turnpikes, canals,and other waterways. [b][b]　　A.those short lines connected [b]　　B.short lines that connected [b]　　C.connected by short lines [b]　　D.short connecting lines [b]　　答对率：50% [b]　　答案：b [b][b]　　17.During the flood of 1927,the Red Cross,......out of emergency headquarters in Mississippi,set up temporary shelters for the homeless. [b][b]　　A.operates [b]　　B.is operating [b]　　C.has operated [b]　　D.operating [b]　　答对率：44% [b]　　答案：d [b][b]　　18.Minoru Yamasaki is an American architect [which] works [departed from] the austerity [frequently] associated [with] architecture in the United States after the Second World War. [b][b]　　答对率：37% [b]　　答案：a [b][b]　　19.Jane Addams.social worker,authoe,and [spokeswoman] for the peace and women"s suffrage [movements],[she received] the Nobel Peace Prize in 1931for her [humanitarian] achievements. [b][b]　　答对率：50% [b]　　答案：c [b][b]　　20.Bromyrite crystals [have] a diamond-like luster and are usually [colorless],but they [dard] to brown when [exposed] to light. [b][b]　　答对率：44% [b]　　答案：c [b][b]　　21.Ice is less [denser] [than] the liquid [from which] [it] is formed. [b]　　答对率：50% [b]　　答案：a [b][b]　　22.James Baldwin"s plays and short stories,[which are] to [some degree] autobiographical,established [them] as a [leading] figure in the United States civil rights movement. [b][b]　　答对率：43% [b]　　答案：c [b][b]　　23.Thunder can be [listened] from a [maximum] distance of about ten miles [except] under [unusual] atmospheric conditions. [b][b]　　答对率：35% [b]　　答案：a [b][b]　　24.The quantum theory states.....,such as light, is given off and absorbed in tiny definite units called quanta or photons. [b][b]　　A.energy that [b]　　B.that it is energy [b]　　C.it is energy [b]　　D.that energy [b]　　答对率：50% [b]　　答案：d [b][b]　　25.Geysers are round near rivers and lakes,swhereswater drains through the soil......... [b][b]　　A.surface below the deep [b]　　B.deep below the surface [b]　　C.the deep below surface [b]　　D.the deep surface below [b]　　答对率：50% [b]　　答案：b [b][b]　　26.Although [he is] employed in the scientific and [technical] fields,the metric [system] is not generally [utilized] in the United States. [b][b]　　答对率：46% [b]　　答案：a [b][b]　　27.[Beneath] the deep oceans that [cover] two-thirds of the Earth, [b]　　intriguing [secret] of the planet are [concealed]. [b]　　答对率：43% [b]　　答案：c [b][b]　　28.The pioneer John Chapman [received] the nickname "johnny Appleseed" because he [planted] apple seedlings during [him travels] in [what] are now Ohio, Indiana, and Illinois. [b][b]　　答对率：50% [b]　　答案：c [b][b]　　29.On March 1,1867,......to the Union when President Andrew Johnson"s veto was overridden. [b][b]　　A.since the state of Nebraska had been admitted [b]　　B.admitted that the state of Mebraska [b]　　C.the admission of the state of Nebraska [b]　　D.the state of Nebraska was admitted [b]　　答对率：50% [b]　　答案：d [b][b]　　30.The best known of all the Arctic birds,........ [b]　　A.birdwatchers favor ptarmigans [b]　　B.being ptarmigans" and birdwatchers" favorites [b]　　C.favored by both ptarmigans and birdwatchers [b]　　D.ptarmigans are a favorite of birdwatchers [b]　　答对率：47% [b]　　答案：d [b][b]　　通过对这30道错误率极高的toefl语法题分析可看出，名词词组与动名词、词的顺序、动词单复数---主谓一致 、动词短语及用法 、形容词修饰等知识点较多，容易忽视或混淆的地方。 [b][b]　　熟悉难题，透过它们找到命题的难点，方能有的放矢，攻取满分！[b][b]