6 A fire in an enclosed space burns with the aid of reflected radiation that preheats the fuel, making ignition much easier and flames spreading more quickly.
(A) flames spreading
(B) flame spreads
(C) flames are caused to spread
(D) causing flames to spread（D）
(E) causing spreading of the flames
A为什么不对？D 中为什么要用不定式？
8．A huge flying reptile that died out with the dinosaurs some 65 million years ago, the Quetzalcoatlus had a wingspan of 36 feet, believed to be the largest flying creature the world has ever seen.
(A) believed to be
(B) and that is believed to be
(C) and it is believed to have been
(D) which was, it is believed,（C）
(E) which is believed to be
除了时态错误外，A是否还有其他错误？
10．A large rise in the number of housing starts in the coming year should boost new construction dollars by several billion dollars, making the construction industry’s economic health much more robust than five years ago.
(A) making the construction industry’s economic health much more robust than five years ago
(B) and make the construction industry’s economic health much more robust than five years ago
(C) making the construction industry’s economic health much more robust than it was five years ago
(D) to make the construction industry’s economic health much more robust than five years ago（C）
(E) in making the construction industry’s economic health much more robust than it as five years ago
A为什么不对，主语同是 a large rise 比较结构后面不是可以省略主语吗？
15 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（C）
(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
C 中 many of them children 是不是省略了are, 如果不是，是什么结构？如果是，为什么可以这样用？
楼主, 请参阅 http://forum.chasedream.com/dispbbs.asp?boardID=23&ID=81945&page=1
楼主, 请参阅 http://forum.chasedream.com/dispbbs.asp?boardID=23&ID=81945&page=1
问的那么具体，参阅什么啊？？
up~~
这几个问题怎么都没人来解释一下呢，我也是错的，期待NN到来~
up~~
这几个问题怎么都没人来解释一下呢，我也是错的，期待NN到来~
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