2010年10月22日北美托??荚噷懽鳈C(jī)經(jīng)回憶

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10月22日北美托??荚囎魑臋C(jī)經(jīng):
    閱讀材料講wetland 里面鬼火 will-o'-the-wisp 的原因,三個(gè):1)埋在里面的有機(jī)體釋放出可燃的氣體;2)是一種electric spark;3)一種能發(fā)光的蘑菇附著在鳥身上.
    聽力反駁:1)可燃?xì)怏w是不動(dòng)的,但是人們看見的鬼火是move around;2)electric spark是在wetland下面的rock中生成的,不會(huì)跑到上面來;3)這種蘑菇的發(fā)光物質(zhì)在體內(nèi),要broken into pieces 才有用,但是這種物質(zhì)不sticky,所以會(huì)從鳥身上掉下來.
    大作文:the advice from our grandparents have no use for their grandchildren because the world changed a lot during the past 50 years.