第14题: [单项选择]成年人甲状腺素分泌不足可患的疾病是 A. 呆小症 B. 侏儒症 C. 克汀病 D. 黏液性水肿 参考答案:D 答案解析:甲状腺激素的生物学作用:(1)对生长发育酶作用:影响长骨和中枢神经的发育,婴幼儿缺乏甲状腺素可患呆小病。(2)对机体代谢的影响包括:①提高基础代谢率,增加产热量。②对3大营养物质的代谢既有合成作用又有
第34题: [单项选择]People who are to be unhappy________. A. always act differently from others B. usually have a fault-finding habit C. can discover the unpleasant part of certain things D. usually are influenced by the results of certain things 参考答案:B 答案解析:[解析]事实细节题。文章第二段说they are continually discontented.By their remarks,they sour the pleasures of societ