Providing initial evidence that airport are a larger source of pollution than they were once believed to be, environmentalists in Chicago report that the total amount of pollutant emitted annually by vehicles at O’Hare International Airport is twice (as much as that which is being emitted annually by all) motor vehicles in the Chicago metropolitan area.
-------------------------------------------------------------------------------- as much as that which is being emitted annually by all
as much annually as is emitted by the
as much compared to what is annually emitted by all
that emitted annually by all
that emitted annually compared to the
澄清一下,根据ogcs8,这题确实应该选D。
看来,我是被ets的指代错误搞的有点神经质了,呵呵。
og还不够熟啊。
[此贴子已经被作者于2005-11-26 20:15:51编辑过] |