2025年研究生考试英语一真题及答案解析
the term “ plant neurobiology ” was _ 1 _ around the notion that some aspects of plant behavior could be _ 2 _ to intelligence in animals . _ 3 _ plants lack brains , the firing of electrical signals in their stems and leaves nonetheless triggered responses that _ 4 _ consciousness , researchers previously reported . But such an idea is untrue , according to a new opinion article . Plant biology is complex and fascinating , but it _ 5 _ so greatly from that of animals that so - called _ 6 _ of plants intelligence is inconclusive , the authors wrote . Beginning in 2006 , some scientists have _ 7 _ that plants possess neuron - like cells that interact with hormones and neurotransmitters , _ 8 _ “ a plant nervous system , _ 9 _ to that in animals , ” said lead study author Lincoln Taiz , “ They _ 10 _ claimed that plants have “ brain - like command centers ” at their root tips . ” This _ 11 _ makes sense if you simplify the workings of a complex brain , _ 12 _ it to an array of electrical pulses ; cells in plants also communicate through electrical signals . _ 13 _ , the signaling in a plant is only _ 14 _ similar to the firing in a complex animal brain , which is more than “ a mass of cells that communicate by electricity , ” Taiz said . “ For consciousness to evolve , a brain with a threshold _ 15 _ of complexity and capacity is required , ” he _ 16 _ . ” Since plants dont have nervous systems , the _ 17 _ that they have consciousness are effectively zero . ” And whats so great about consciousness , anyway ? Plants cant run away from _ 18 _ , so investing energy in a body system which _ 19 _ a threat and can feel pain would be a very _ 20 _ evolutionary strategy , according to the article . 1 . [ A ] coined [ B ] discovered [ C ] collected [ D ] issued 2 . [ A ] attributed [ B ] directed [ C ] compared [ D ] confined 3 . [ A ] unless [ B ] when [ C ] once [ D ] though 4 . [ A ] coped with [ B ] consisted of [ C ] hinted at [ D ] extended 5 . [ A ] suffers [ B ] benefits [ C ] develops [ D ] differs 6 . [ A ] acceptance [ B ] evidence [ C ] cultivation [ D ] creation 7 . [ A ] doubted [ B ] denied [ C ] argued [ D ] requested 8 . [ A ] adapting [ B ] forming [ C ] repairing [ D ] testing 9 . [ A ] analogous [ B ] essential [ C ] suitable [ D ] sensitive 1 / 21 子曰 : “ 知者 不惑 , 仁者 不 忧 , 勇者 不 惧 论