请教牛牛几道补充材料的题

littlebluesk

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？

braveMBA

1、句子意思明显不同，一个说的是“所有的...不是”，另一个说的是"不是所有的...."，否定主体不同。从未划线部分可以看出后者更符合句子意思

2、A/C中的sb's being lifted在GMAT中很少采用，而且从意思理解上A/C也比较混乱。

3、一是时态，应该考虑并列元素中的时态对应关系。were given--were allocated--enforced。另外allocating it extra federal funds中的it 和 funds对应有问题。

carefield

1. 部分否定, A 是全部否定, 当然需要从逻辑上判断.
2.C 用了 介词+ VING 形式表一个主谓意思, 很是笨重, ETS不喜欢的

3.D 被动