新概念英語第三冊逐句精講語言點 第55課 來自地球的問候(5)

　　The development of such a telescope will be one of the greatastronomical projects of the twenty-first century.

　　It is impossible to look for life on another planet using earth-based telescopes. Ourown warm atmosphere and the heat generated by the telescope would make itimpossible to detect objects as small as planets.

　　13.The development of such a telescope will be one of the great astronomical projectsof the twenty-first century.

　　而開發(fā)這樣一臺望遠鏡將會是21世紀天文學的一個重要的研究課題。

　　語言點:sth.will be one of the great projects of的意思是“某事將成為…的重要研究課題之一。”

　　14.It is impossible to look for life on another planet using earth-based telescopes.

　　使用放置在地球上的望遠鏡是無法觀察到其他行星的生命的。

　　語言點:句子結構分析:it is impossible to do這個結構已成為一個較為固定的it作形式主語的表達方式，通常放在句首。

　　15.Our own warm atmosphere and the heat generated by the telescope would make itimpossible to detect objects as small as planets.

　　地球周圍溫暖的大氣層和望遠鏡散出的熱量使得我們根本不可能找到比行星更小的物體。