《2025年创新设计高中英语选择性必修第一册北师大版》

3 die out 消失；绝迹，灭绝
教材原文 How many times up to today has life on Earth almost died out?
迄今为止地球上的生命几乎绝迹了多少次？
感知 语言先输入
① When the applause had died down, she began her speech.
② After hours of working in the hot sun, he was dying for a cold beer.
记牢 知识再梳理
die of/from 死于
die away (声音、光线等)逐渐消失
die down (风或噪音等)渐弱；逐渐平息
be dying for 渴望，极想得到
运用 完成句子
① The fire in the forest is dying down, and will soon die away.
森林的火势在逐渐减弱，很快就会消失的。
② With the living environment worsening, many species are in danger of dying out.(环境保护)
随着生存环境恶化，许多物种处于濒临灭绝的危险中。
③ You mentioned that you would like to teach me English in return, which is exactly what I am dying for.
你提到你愿意以教我英语作为回报，这正是我所渴望的。

答案： ①is dying down;die away ②in danger of dying out
③what I am dying for

4 be at risk 处境危险，受到威胁
教材原文 Of course, as we humans depend on so many species for our survival, we would also be at risk of dying out. 当然，由于我们人类的生存依赖众多物种，我们也将面临灭绝的风险。
感知 语言先输入
① Because of wearing earphones, many teenagers are at (the) risk of hearing loss.
② It was Mr Lee who took the risk of losing his own life to save the two boys.
③ She didn't want to risk missing the train, so she left the house early.
记牢 知识再梳理
(1) at (the) risk of... 冒着……的风险
take a risk (=take risks) 冒险
take the risk of doing sth 冒险做某事
(2) risk doing sth 冒险做某事
运用 单句语法填空/完成句子
① Last year I had a narrow escape, and I don't want to take a risk a second time.
② When knowing that city was in need of help, many rescue workers were eager to go there at the risk of losing their lives.
当得知那个城市需要援助时，许多救援人员热切地冒着生命危险前往那里。
③ If you keep doing so, you will risk losing your customers' faith.
如果你一直这样做，你就会冒着失去顾客信任的风险。

答案： ①a ②at the risk of losing their lives
③risk losing your customers' faith