11.In the United States [among] 60 percent [of the space] on the pages of newspapers [is reserved] for [advertising]. 答对率：47% 答案：a
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. 答对率：50% 答案：b
13.The American anarchist Emma goldman infused her spirited lectures,[publishes],and demonstration [with a] passionate [belief] in the freedom of [the] individual. 答对率：36% 答案：a
14.[Being] the biggest expanse of brackish water [in the] world,the Baltic Sea [is of] special [interesting] to scientists. 答对率：44% 答案：d
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. 答对率：37% 答案：b
16.The early railroads were........the existing arteries of transportation: roads,turnpikes, canals,and other waterways. A.those short lines connected B.short lines that connected C.connected by short lines D.short connecting lines 答对率：50% 答案：b
17.During the flood of 1927,the Red Cross,......out of emergency headquarters in Mississippi,set up temporary shelters for the homeless. A.operates B.is operating C.has operated D.operating 答对率：44% 答案：d
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. 答对率：37% 答案：a
19.Jane Addams.social worker,authoe,and [spokeswoman] for the peace and women s suffrage [movements],[she received] the Nobel Peace Prize in 1931 for her [humanitarian] achievements. 答对率：50% 答案：c
20.Bromyrite crystals [have] a diamond-like luster and are usually [colorless],but they [dard] to brown when [exposed] to light. 答对率：44% 答案：c