GWD4-Q28 求问 or else

xiayizhang

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.

 

1. is reflective, so that little polar ice melts during the summer; otherwise,
2. is so reflective that little of the polar ice melts during the summer; were it not to do so,
3. so reflective that little polar ice melts during the summer, or else
4. reflective, so that little of the polar ice melts during the summer, or
5. reflects so that little of the polar ice melts during the summer; if it did

Correct answer is B.

Why not C? anything wrong with "or else"? 谢谢!!!

Freehorser

我觉得是因为or else不适合表达虚拟。the water levels of the oceans

“would” rise明显采用了虚拟语气。

xiayizhang

 谢谢! 为什么or else不适合表达虚拟?

陆将除非

B。is so reflective that little of the polar ice melts during the

summer; were it not to do so,

C。so reflective that little polar ice melts during the summer, or else

yet the temperatures are so cold and the ice cap （缺少谓语）so

reflective

alice2292

C 缺少is