Travelling to London
We think ⑴ is the best season to visit England.
We did most of our sightseeing(观光) ⑵ .
The best part of the trip was going to the theatre.
We don't think the English food is very ⑶ .
图中景观常见于我国的( )
走进名著
如果某一种昆虫,缺乏适应变化着的环境所需要的变异,它可能( )