If snow and ice covered areas begin melting, ________
Hansen cautioned that greenhouse gases________
Warming in the Northern Hemisphere was large in ________ at middle and high latitudes.
材料全屏
6
【单选】
Paragraph①_____
Paragraph②_____
Paragraph③_____
If snow and ice covered areas begin melting, ________
本题定位到第三段的第二句话,可知一旦冰雪融化,温室效应就会加剧。
多做几道
Hansen cautioned that greenhouse gases________
Warming in the Northern Hemisphere was large in ________ at middle and high latitudes.
【单选】
Paragraph①_____
Paragraph②_____
Paragraph③_____
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