考研英语继续陪伴大家，备考需要坚持积累，从每日单词记忆到每日一句拆分，都需要你坚持不懈的努力！梦想一定会照进现实。
　　natural selection
　　释义：自然选择
　　真题：Again, differences between people and the opportunity for natural selection to take advantage of it have diminished.
　　再一次,人与人之间的差异和利用差异进行自然选择的机会都减少了。【2000-阅读-2】
　　neither....nor...
　　释义：既不……也不……
　　真题：Writing for the National Immigration Forum, Gregory Rodriguez reports that today's immigration is neither at unprecedented levelnorresistant to assimilation.
　　全国移民论坛的撰稿人Gregory Rodriguez报道,现在的移民人数既没有达到前所未有的水平,也不拒绝被同化。【2006-阅读-1】
　　no less than
　　释义：不少于
　　真题：This alone demonstrates that the television business is not an easy world to survive in, a fact underlined by statistics that show that out of eighty European television networksno less than50% took a loss in1989.
　　这一点就表明,要在电视行业内生存并非易事,统计数字说明在1989年,80家欧洲电视网中有超过50%亏损了。【2005-翻译】
　　no longer
　　释义：不再
　　真题：Americansno longer expect public figures, whether in speech or in writing, to command the English language with skill and gift.
　　美国人不再期望公众人物在演讲或文章中对英语的使用表现出熟练的技能与天赋。【2005-阅读-4】