练习材料：
Lesson 11-2 How to grow old
An individual human existence should be like a river -- small at first, narrowly contained within its banks, and rushing passionately past boulders and over waterfalls. Gradually the river grows wider, the banks recede, the waters flow more quietly, and in the end, without any visible break, they become merged in the sea, and painlessly lose their individual being. The man who, in old age, can see his life in this way, will not suffer from the fear of death, since the things he cares for will continue. And if, with the decay ofvitality, weariness increases, the thought of rest will be not unwelcome. I should wish to die while still at work, knowing that others will carry on what I can no longer do, and content in the thought that what was possible has been done.
应用配置：L0+L4
知识笔记：passionately/ boulders/ recede/ visible/ merged/ painlessly/ vitality/
练习感悟：用时约32分钟。总算回来了。辅助带了三天小学生的毕业旅行团，被折腾得够呛。晚间喝了瓶500ml的黑啤，录制完了今天的任务。
