2022年考研英语一真题及参考答案.pdf

2022 年全国硕士研究生入学统一考试 英语（一）试题 Section I Use of English Directions: Read the following text. Choose the best word(s) for each numbered blank and mark A, B, C or D on the ANSWER SHEET. (10 points) The idea that plants have some degree of consciousness first took root in the early 2000s; 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 bunk, according to the authors of the new article. Plant biology is plex and fascinating, but it 5 so greatly from that of animals that so-called 6 of plants’ intelligence is intriguing but inconclusive, the scientists wrote. In animals, neurobiology refers to the biological mechanisms through which a nervous system regulates behavior, according to Harvard University’s Mind Brain Behavior Interfaculty Initiative. Over millions of years, brains in diverse animal species have evolved to produce behaviors that experts identify as intelligent: Among them are reasoning and problem-solving, tool use and self-recognition. 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, a professor emeritus of molecular, cell and developmental biology at the University of California Santa Cruz. “They 10 claimed that plants have brain- like mand centers at their root tips,” Taiz told Live Science in an email. This 11 makes sense if you simplify the workings