几道885SC求教，急

6．A new phenomena, which is visible at Managua’s major intersections, are waves of vendors and beggars, which include many children and mob cars at the stoplights.
(A) A new phenomena, which is visible at Managua’s major intersections, are waves of vendors and beggars, which include many children and
(B) Visible at Managua’s major intersections are waves of vendors and beggars with many children, new phenomena that
(C) A new phenomenon visible at Managua’s major intersections is waves of vendors and beggars, many of them children, who
(D) Phenomenally new waves of vendors, beggars, and many children are visible at Managua’s major intersections, which
(E) A wave of vendors and beggars, many of whom are children, are visible at Managua’s major intersections, where they are a new phenomenon and

7.Temporary-employment agencies benefit not only from the increasing demand for clerical workers but also the higher profits made when highly paid professionals are placed, requests for whom have increased in the recent wave of corporate takeovers.
(A) the higher profits made when highly paid professionals are placed, requests for whom
(B) the higher profits that are made in the placement of highly paid professionals, requests for whom
(C) from the requests for highly paid professionals, who make higher profits for the agencies when placed and whose requests
(D) from highly paid professionals, whose placement makes higher profits for the agencies and whose requests
(E) from the higher profits made in placing highly paid professionals, requests for whom

8.The record of the past is always incomplete, and the historian who writes about it inevitably reflects the preoccupations of their own time.
(A) the historian who writes about it inevitably reflects
(B) the historian writing about it will inevitably reflect
(C) a historian writing about it inevitably reflects
(D) writing about it, it is inevitable for historians to reflect
(E) historians in writing about it inevitable reflect
A为什么不正确                  ANS：E

9.The expected rise in the price of oil could be a serious impact to industrialized nations and severely diminish the possibility to have an economy free of inflation.
(A) be a serious impact to industrialized nations and severely diminish the possibility to have
(B) seriously impact on industrialized nations and severely impede the possibility to have
(C) seriously impact on industrialized nations and severely impede the possibility of having
(D) have a serious impact on industrialized nations and severely impede the possibility to have
(E) have a serious impact on industrialized nations and severely diminish the possibility of having
这到题为什么不用动词IMPACT