11.In the United States [among] 60 percent [of the space] on the pages of newspapers [is reserved] for [advertising].
    答對率：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.
    答對率：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.
    答對率：36%
    答案：a
    14.[Being] the biggest expanse of brackish water [in the] world,the Baltic Sea [is of] special [interesting] to scientists.
    答對率：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.
    答對率：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
    答對率：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
    答對率：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.
    答對率：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 1931for her [humanitarian] achievements.
    答對率：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.
    答對率：44%
    答案：c