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精剖析重点词汇,全剖析语法精讲,巧突破核心句型,学业分层测评,signing,for,beyond belief,into,to,as,reference,to believe,for,for,of,made,to revent,for,with/by,with,setting,threaten,trapped,sacrifices,for,take action,in turn,A number of,have been trapped in,led to,beyond our control,refer to,look ahead,Without these naturally occurring gases,otherwise,with half of this increase occurring since 1960,got,in,open,Given this data,Considering,气温升高1华氏度听起来无所谓，但是如果我们继续制造这么多的二氧化碳和其他气体，我们将毁灭地球上的生命，后果将非常严重。,【答案】 1.had not seen 2.is 3.to be 4.if 5.It,
