[解析]
(1)B.细节理解题。根据第一段First a willow tree attacked in the woods by caterpillars(毛虫)changed the chemistry of its leaves and made them taste so terrible that they got tired of the leaves and stopped eating them.首先,一棵柳树在树林中被毛毛虫袭击,然后它改变了树叶的化学成分,让它们尝起来非常难吃,以至于它们厌倦了树叶,不再吃了。可知,毛虫不会吃闻起来有怪味的树叶,故选B。
(2)B.推理判断题。根据第一段Then even more astonishing,the tree sent out a special smell — a signal causing its neighbors to change the chemistry of their own leaves and make them less tasty.更令人惊讶的是,这棵树发出了一种特殊的气味﹣﹣﹣一种信号,使它的邻居改变了自己叶子的化学成分,使它们变得不那么美味。可知,柳树通过释放特殊的气味来和其同伴沟通,故选B。
(3)A.细节理解题。根据第二段Bees dance their signals,flying in certain patterns that tell other bees where to find nectar (花蜜) for honey.蜜蜂用舞蹈发出信号,舞出某种图案,告知其他蜜蜂去哪里能找到花蜜。可知,蜜蜂通过制造出特殊的动作来相互沟通,故选A。得出应选A.
(4)D.推理判断题。根据第一段Scientists have reason to believe that trees do communicate with each other.科学家们有理由相信树木确实可以相互交流。可知,作者通过列举人、鸟、蜜蜂的非语言性的交流,认为树发出蒸汽的方式也是一种交流是合乎情理的,故选D。