Book Module 6 Unexplained Mysteries of the Natural World 4 对应课标 主题语境 人与自然之地球与宇宙奥秘探索 一、高考这样考 新高考已由“知识立意”转向“素养立意 高考语篇不仅是用于“做”的，在很大程度上是用于“品”的 作为晨读价值很大噢！ (2019·天津高考·阅读理解C篇)[1]How does an ecosystem (生态系统)work What makes the populations of different species the way they are Why are there so many flies and so few wolves To find an answer, scientists have built mathematical models of food webs,noting who eats whom and how much each one eats. [2With such models,scientists have found out some key principles operating in food webs.Most food webs,for instance, consist of many weak links rather than a few strong ones.When a predator(掠食动物)always eats huge numbers of a single prey (猎物)，the two species are strongly linked;when a predator lives on various species,they are weakly linked.Food webs may be dominated by many weak links because that arrangement is more stable over the long term.If a predator can eat several species,it can survive the extinction (of one of them.And if a predator can move on to another species that is easier to find when a prey species becomes rare,the switch allows the original prey to recover.The weak links may thus keep species from driving one another to extinction.(
课件网) “单元、主题、素养综合训练”见“Book 4 Module 6 综合训练” (单击进入电子文档) “模块语基回扣练”见“Book 4 模块语基回扣练” (单击进入电子文档) 板块 强化 学习能力 突破 高频单词 鬓 强化 学习能力 突破 短语。句型
