下图为人体内体温与水平衡调节的示意图,下列叙述正确的是 ( )①当受到寒冷刺激时,a、b、c、d激素的分泌均会增加②c、d激素分泌增多,可促进骨骼肌与内脏代谢活动增强,产热量增加③下丘脑是感觉体温变化的主要中枢,是形成冷觉、热觉的部位④下丘脑具有渗透压感受器功能,同时能合成、分泌e激素⑤寒冷刺激使下丘脑分泌促甲状腺激素释放激素,通过促进甲状腺的活动来调节体温⑥上图所示的神经调节过程中,肾上腺、皮肤、骨骼肌均为效应器
A:①②③
B:③④⑤
C:④⑤⑥
D:①②④
根据短文内容,判断下列句子正(T)、误(F)。 Tim, Sonia, Jim, Tina, Jenny and Ann are in the classroom. They find(发现) a pencil-box, a ruler, a pencil and a notebook on the desk. Tim asks Sonia, "Is this your pencil?" Sonia answers, "Yes, it is. Thank you." Tim asks again, "Hi, Jim! Is this your ruler? "Jim answers, "No, it isn't. It's Tina's ruler." "Is this your notebook, Jenny?" asks Tim. "Yes, it is," answers Jenny." Ann, is this your pencil-box?" asks Tim. "Yes, it is. Thank you." answers Ann.
社区活动必须丰富多彩,具有高度吸引力。( )
①社会契约论
②三权分立学说
③人民主权论
④浪漫主义
有关下图所示的亚洲南部三大半岛的名称,描述正确的是:( )