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1、Unit 5 Humans and Nature,Writing Workshop,1. shelter a safe shelter 安全的避难所seek/ take shelter 寻求/ 得到庇护take shelter from 躲避shelter from 保护免受练习：Human beings need food, clothing and _.,shelter,Vocabulary,2. as much asas soon as possible 尽可能快地as fast as possible 尽可能快地as quick as possible 尽可能快地as hard as
2、possible 尽可能努力地as . as possible 尽可能练习：I ate _ I could.,as much as,Vocabulary,3. prevent from/ againstkeep. from doing sth. 阻止做某事stop. (from) doing sth. 阻止做某事prevent. (from) doing sth. 阻止做某事keep. from doing sth.中的 from不能省略。如果省略，意思会发生变化。keep sb. doing sth. 使某人一直做某事在被动语态中，keep/ stop/ prevent from doing sth. 结构中的from都不能省略。练习：You cant _ people _ saying what they think.,prevent,Vocabulary,from,