文档介绍：Unit1Lead-in1humanbeings2powered3greenhouse4faraway5makeadifference6breathein7decreasingperformance8fourincheshigh9campaign10encourageEx31B2B3C4A5DEx4issues,pollution,deforestation,related,consumption,resources,threat,responsibilityEx51addicted—smoking2environment—concern3expert—wisdom4possession—greed5resources—…,whichbroughtterribledisasterstomankind,impactonsuchapoet?2Mothersaresometimesblindtothefaultsoftheirbelovedchildren,,,;;,’’,’,还会说:“让专家去处理吧。2就人类而言,母亲生病,孩子就会受苦;既然我们造成了地球上的生态失衡,而我们又是受害者。3机器的发明使世界进入了一个新纪元——工业时代,金钱主宰一切。4每个人的生活都有甜有苦。5麦肯立博士竭尽全力唤起公众对严峻的环保问题的关注。6那条消息让我惊出了毛骨悚然。7她在演讲中用了许多术语,使听众听得莫名其妙。8这些问题盘根错节,三言两语说不清楚。Unit2Lead-pass,inspiration,curious,persistent,stimulated,inspired,p