根据《中小学信息技术课程指导纲要(试行)》的相关规定,简述中学信息技术课程的主要任务。
参考答案
参考解析
【分析题】
患者,女性,49岁 。
病例摘要
(1)主诉:觉双颊黏膜粗糙感4个月,偶有刺激痛 。
(2)现病史:6个月前患者下岗在家,心情较烦闷,4个月前觉双颊黏膜粗糙,进食刺激性食物有疼痛而就诊 。
(3)既往史:无重大疾病史 。
(4)临床检查:双颊黏膜大面积白色条纹,呈网状、树枝状排列,其间黏膜色红,无糜烂 。舌背有约1cm×2cm白色斑块,表面光滑,双侧舌腹有树枝状条纹存在,未见糜烂 。唇红黏膜近口角处有散在淡黄色丘疹,丘疹呈粟粒大小,表面光滑,触之柔软 。
【分析题】
By the time the youngest was fifteen, the mother would have been in her early fifties and would expect to live a further twenty years, during which chance and health made it unusual for her to get paid work.