One more current battle involving the unknown is between sociobiologists and antisociobiologists， and it is a marvel for students to behold. To observe， in open-mouthed astonishment， one group of highly intelligent， beautifully trained， knowledgeable， and imaginative scientists maintaining that all behavior， animal and human， is governed exclusively by genes， and another group of equally talented scientists asserting that all behaviors is set and determined by the environment or by culture， is an educational experience that no college student should be allowed to miss. The essential lesson to be learned has nothing to do with the relative validity of the facts underlying the argument. It is the argument itself that is the education： we do not yet know enough to settle such questions. Phrases & Expressions move ahead go forward plug away work persistently at close quarters very near or near together out of fashion not popular or approved of explain away give a satisfactory reason for； remove objection to by means of a convincing argument at the outset at the beginning on the part of of or by （sb.） have it （that） maintain， assert （that） think over think carefully about； consider；
study capitalize on profit by； make full use of （sth.） in possession of having； owing stir up excite； stimulate； provoke catch on become popular or fashionable Proper Names Lewis Thomas刘易斯。托马斯 Darwin达尔文 Walace华莱士 Grasse格拉斯 Lovelock洛夫洛克 Margulis马古利斯 Gaia盖亚
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