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.

1.[Melting] glaciers may [account the] rise [in sea level] that [has taken place] honing this century.

答对率：50%
答案：b

2.Anthropologist jane Goodall [has contributed] a [wealth information] concerning primate behavior [through] her [studies] of chimpanzees.

答对率：46%
答案：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].

答对率：44%
答案： d

4.Allan Pinkerton,[founder] of [the famous] detective agency that bears [him] name,directed a Civil War espionage system [behind] Confederate lines.

答对率：38%
答案：c

5.The city of Kalamazoo, Michigan,derives its name from a Native American word....."bubbling springs."

A.meant
B.meaning
C.that is meant
D.whose meaning
答对率：46%
答案：b

6.Salt is manufactured in quantities that exceed those of most,.......,other commercial chemicals.

A.of an not
B.not if an are
C.are not an
D.if not an
答对率：49%
答案： d

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.

答对率：43%
答案：a

8.Petroleum [it is] composed [of] a complex[mixture] of hydrogen and [carbon].

答对率：31%
答案：a

9.The air inside a house or office building often has higher concentrations of contaminants ....... heavily polluted outside air.

A.than does
B.more
C.as some that are
D.like of
答对率：50%
答案：a

10.Emily Dickinson's garden was a place...... great inspiration for her poems.

A.that she drew
B.by drawing her
C.from which she drew
D.drawn from which
答对率：50%
答案：c