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] port into one 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