新發(fā)展研究生英語綜合教程-閱讀頁
2024-08-24 07:47本頁面
【正文】 ossible to pare modern and fossil animals and to construct lineages through time that documented the changes that had occurred, and the distribution of fossil forms began to take on new significance. It became apparent that assemblages of fossils betray climatic preferences at any given time and climatic change through time. Another 12 years elapsed before Darwin applied has theory of evolution ———— and its mechanism, natural selection acting upon a pool Of normal biological variation ———— to the case of man。達(dá)爾文在1859年就決斷性地宣傳了物種是在進(jìn)化的，而且并非經(jīng)久不變。現(xiàn)在已經(jīng)可以對現(xiàn)代動物和化石動物進(jìn)行比對以劃定年代表，其中記錄了曾經(jīng)發(fā)生過的很多變遷，而各類化石的分布也開始具有了新的重要意義。12年后，達(dá)爾文才把他的進(jìn)化論應(yīng)用于人類，其中包括進(jìn)化機(jī)制、自然選擇對眾多的正常生物變異所起的作用。 達(dá)爾文所反復(fù)強(qiáng)調(diào)的“適者生存是最適應(yīng)生存的物種才能生存”使人類對有機(jī)生命體的適應(yīng)能力有了深入了解。越適應(yīng)環(huán)境，生存下去的幾率也就越高。二、作文a) the government has announced that it wishes to build a subway station in your munity.b) The Moment of WeChat has destroyed munication among friends and family.c) Some believe that university students should be required to attend classes. Others believe that going to classes should be optional….d) It is better for children to grow up in the countryside than in big cities…..e) Only people who earn a lot of money are successfulf) Neighbors are the people who live near us. In your opinion, what are the qualities of a good neighbor?g) Smoking should be banned or not in all public places in your country.h) What are the elements of a good family in your country?
研究報(bào)告相關(guān)推薦
鄂ICP備17016276號-1