There are hopeful signs that we are shifting away from our heavy reliance on fossil fuels: more than ten times as much energy is generated through wind power now than it was in 1990.
4. In the 1980's the rate of increase of the minority population of the united states was nearly twice as fast as the 1970's. A.twice as fast as B.twice as fast as it was in C.twice what it was in D.two times faster than that of E.two times greater than
C是答案。C比B优越在哪?
5. In its most recent approach, the comet Crommelin passed the Earth at about the same distance and in about the same position, some 25 degrees above the horizon, that Halley’s comet will pass the next time it appears. (A) that Halley’s comet will pass (B) that Halley’s comet is to be passing (C) as Halley’s comet (D) as will Halley’s comet (E) as Halley’s comet will do
这一题为什么选D?选一个倒装的选项?
8. The use of gravity waves, which do not interact with matter in the way electromagnetic waves do, hopefully will enable astronomers to study the actual formation of black holes and neutron stars. A) in the way electromagnetic waves do, hopefully will enable B) in the way electromagnetic waves do, will, it is hoped, enable C) like electromagnetic waves, hopefully will enable D) like electromagnetic waves, would enable, hopefully E) such as electromagnetic waves do, will, it is hoped, enable
为什么选B?我觉得A和C都比B好~
12. There are hopeful signs that we are shifting away from our heavy reliance on fossil fuels; more than ten times as much energy is generated through wind power now than it was in 1990.
A. generated through wind power now than it was B. generated through wind power now as it was C. generated through wind power now as was the case D. now generated through wind power as it was E. now generated through wind power than was the case