2022年全国硕士研究生招生考试英语（一）试题 真题答案！(2)

This __11__ makes sense if yon 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 don"t have nervous systems, the __17__ that they have consciousness are effectively zero."
And what"s so great about consciousness, anyway? Plants can"t 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 to