人教版高中英语必修三《Space Exploration》Discovering Useful Structures PPT课件，共18页。
核心词汇
1.beyond prep . 超出；在更远处
教材原句
Sending people to other planets or even beyond solar system is not an easy goal.
要点必记
beyond expression 无法形容 beyond measure无法估量的
beyond repair无法修复 beyond retrieval无法挽回
beyond count数不
2. lack n&vt. 缺乏；缺少
教材原句
due to the lack of gravity 由于缺少重力
要点必记
lack of 没有，缺乏；不足，不够 for lack of 因缺乏…；
lack in 缺少…；在…缺乏 lack of power 乏力；缺乏动力
by lack of 因没有...；因缺乏... from lack of 因没有...；因缺乏...
lack of money 缺钱 lack of time 缺乏时
lack of capital缺乏资金 ack for 缺乏
核心句式
to do 做定语和状语
教材原句
China became the third country in the world to independently send humans into space in 2003.
They made vehicles to carry brave people into space.
句式讲解
to do 做定语，是放在名词后面，修饰说明名词
to do 做目的状语，表达做某事的目的
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关键词：Space Exploration PPT课件免费下载，.PPT格式；