下列哪条不是疟疾暴发的常见原因()。 A.传染源的流行和扩散 B.人群免疫水平的自然 发布时间:2017-08-31 18:09 │ 来源:www.tikuol.com 题型:单项选择题 A1/A2型题 问题: 下列哪条不是疟疾暴发的常见原因()。A.传染源的流行和扩散B.人群免疫水平的自然下降C.按蚊孳生地的增多D.疟原虫致病性的改变E.大批易感人群进入疟区
题型:单项选择题 A1/A2型题 —What did Maria say— ().A. Maria said that she likes their uniforms.B. Maria said that she doesn't like their uniforms.C. Maria said that she didn't like their uniforms.D. Maria said that she was like their uniforms. 查看答案
题型:单项选择题 A1/A2型题 12岁儿童,下蹲动作时必须踮起脚跟并双膝分开外展,呈蛙式样,体检可发现臀部外上部有皮肤凹陷,髋内收时凹陷更明显,臀部可及紧缩感,下肢呈外展外旋位,髋内收、内旋受限,主要诊断为()。A.髋关节发育不良B.臀肌挛缩C.佝偻病D.髋关节结核E.强直性脊柱炎 查看答案