以下关于双侧颞下颌关节急性前脱位的描述不正确的是() A.下颌前伸,两颊变平 B.耳 发布时间:2021-07-06 12:10 │ 来源:www.tikuol.com 题型:单项选择题 问题: 以下关于双侧颞下颌关节急性前脱位的描述不正确的是()A.下颌前伸,两颊变平B.耳屏前仍可触及髁突C.不能闭口,流唾液D.前牙开、反,部分后牙接触E.X线检查可排除髁突骨折
题型:单项选择题 已知有四个命题:①偶函数的图象必定与y轴相交;②偶函数的图象必定关于y轴对称;③奇函数的图象必定通过原点;④若函数f(x)既是奇函数,又是偶函数,则f(x)=0(x∈R);其中正确的命题个数是[ ]A.0B.1C.2 D.3 查看答案
题型:单项选择题 It was strongly recommended by his neighbors that he _________ to the government for help. [ ]A. turned B. had turned C. turn D. could turn 查看答案