OG 100 enough 和 so that

wangjieava23 · 发表于 2012-4-29 19:31:22

enough usage 总结：
enough(adv.) to do/ enough for sb to do

Like planets, the stars are in motion, some of them at tremendous speeds, yet they are so far away from Earth that their apparent position in the sky do not change enough for their movement to be observed during a single human lifetime.

their apparent position in the sky do not change enough for their movement to be observed during a single human lifetime.
=their apparent position in the sky do not change so that their movement could not be observed during a single human lifetime.

1. eough for sb to do = so.. that sb could to
This book is so short that I could read it in a night.
=This book is short enough for me to read in a night.

Manhattan 关于enough 的 idiom：
This book is short enough for me to read in a night.(对)
This book is short enough for it to be readed in a night. (错)
这里的错到底指什么呢，是说不能用it，还是不能接to be doen？还是什么？糊涂。

wangjieava23 · 发表于 2012-4-29 19:46:47

The gap in the ozone hole over the North Pole can expand each summer enough that it exposes regions as far south as Sweden by heightened UV radiation, also increasing rates of skin cancer in the northern regions by as much as 50 percent.
A. that it exposes regions as far south as Sweden by heightened UV radiation, also increasing
B. that regions as far south as Sweden have been exposed to heightened UV radiation, as well as having increased
C. to expose regions as far south as Sweden to heightened UV radiation, increased
D. to expose regions as far south as Sweden to heightened UV radiation and increase
E. that exposure to heightened UV radiation in regions as far south as Sweden, as well as increasing

答案： D

OG 100 enough 和 so that

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