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
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.