It was ____________ for man to work in the forest, especially for a woman, like Jane Goodle.— Yes, I can’t agree more. It is said that only after her mother came to help her _______ focus on her project.

依次填人下列各句横线处的成语，最恰当的一组是①近代欧美轮船侵入我国， ，宁波商帮迅速停止了传统的沙船贩运业，转而经营轮船运输业，甚至组成了航运集团。②生活的智慧离不开细心的发现，在日常工作中，我们一定要善于观察，善于分析， ，才能发现问题背后的本质。③《红楼梦》表面看来写的是寻常的生活琐事，却能够 ，借贾史王薛四大家族的命运，表现整个封建王朝的兴衰。

Are you finishing your task—________ We need no less than three hours more

is the largest freshwater lake in China.

The expression ____ means “在20世纪50年代”.