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请教牛牛几道补充材料的题
151：Although (all the proceedings of the communist party conference held in Moscow were not carried live,)Soviet audiences have seen a great deal of coverage.
e:
not all the proceedings of the communist party conference held in Moscow were carried live
答案选e, 但是a 为什么不对？
162：In terms of physics, the characteristics feature of the roller coaster is that the (cars'potential energy,gained through their being lifted by a chain drive )through the Earth's gravity to the top of the forst drop,has been converted to kinetic energy by the time the ride ends.
c:potential energy from the cars'being lifted by a chain drive.
d:potential energy of the cars, gained as a chain drive lifts them.
答案选d,可是a,c为什么不对？
178
School desegregation has worked well in NewYork ,in part because parents and teachers were given major roles in designing the city's magent schools, (because extra federal funds were allocated to make each school euique,)and because the federal judge enforced desegregation orders.
c;Because each school is made unique by alllocating it extra federal funds.
答案选a,为什么c不对？
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发表于 2003-8-4 13:29:00
