题目

当人处于炎热环境时，会引起（    ） A．冷觉感受器兴奋                B．温觉感受器抑制 C．甲状腺激素分泌量增加     D．下丘脑体温调节中枢兴奋 答案：DHow many ________ are there in the classroom? There are fifty. （ ）A. cheese B. trains C. desks