练习材料：
Lesson 65：Jumbo versus the police
任务配置：
L0+L1
知识笔记：
单词积累（from口语粉碎机）
stoop
1.俯身，弯腰
2.弓背，驼背
stoop to sth/doing sth 卑鄙（或堕落）到做某事
The doorway was so low that we had to stoop to go through it.
门廊太矮，我们得哈腰儿才能过去。
You surely don't think I'd stoop to that!
你不会认为我会下作到那种地步吧
level off在波动之后保持平稳
House prices now seem to be leveling off after the steep rises of the last few years.
房价经过这几年的飙升，目前似乎已经趋于稳定。
be up for anything 完全同意，接受
He would be up for anything that his wife suggested.
他的妻子让他做什么，他都会同意。
be into sb 很喜欢某人
He's just not that into you.
他没那么喜欢你。
