四川省2015高考英语人教版一轮讲义：选修7 Unit 4（2）
We walked for two and a half hours to get there—first up a mountain to a ridge from where we had fantastic views and then down a steep slope to the valley below.
我们走了两个半小时才到了那儿。先爬到了一座山的山顶，从那儿我们欣赏到了优美的风景，然后又沿着陡峭的山坡到了下面的山谷。
from where引导的定语从句修饰a ridge，关系副词where前一般不加介词，但from where却是个例外。
①China is the birthplace of kites，from_where kiteflying spread to Japan，Korea and India.
中国是风筝的故乡，从那
