GWD3-Q10:
Antarctica receives more solar radiation than does any other place on Earth, yet the temperatures are so cold and the ice cap is reflective, so that little polar ice melts during the summer; otherwise, the water levels of the oceans would rise 250 feet and engulf most of the world’s great cities.
A.is reflective, so that little polar ice melts during the summer; otherwise,
B.is so reflective that little of the polar ice melts during the summer; were it to do so,
C.so reflective that little polar ice melts during the summer, or else
D.reflective, so that little of the polar ice melts during the summer, or
E.reflects so that little of the polar ice melts during the summer; if it did
我想请问下各位，B答案中的were it to do so是什么意思啊？正确答案就是它；
GWD3-Q39:
Minivans carry as many as seven passengers and, compared with most sport utility vehicles, cost less, get better gas mileage, allow passengers to get in and out more easily, and have a smoother ride.
A.Minivans carry as many as seven passengers and, compared with most sport utility vehicles, cost less,
B.Minivans, which carry as many as seven passengers, compared with most sport utility vehicles, they cost less,
C.Minivans carry as many as seven passengers, in comparison with most sport utility vehicles, and have a lower cost, they
D.Minivans, carrying as many as seven passengers, compared with most sport utility vehicles, cost less,
E.Minivans, which carry as many as seven passengers, compared with most sport utility vehicles the cost is lower, and they
正确答案是A；但感觉并列得有点奇怪；
请教各位NN哦，谢谢拉。。。
-- by 会员 HotCold (2010/4/12 15:32:43)
