【简答题】The disease occurs most frequently rural areas.
【单选题】Which type of fever is usually occurs in purulent disease
【单选题】Match the disease with the definition._________:any disease or disorder that occurs during the course of (or because of) another disease.
【单选题】甲在某证券交易大厅偷窥获得在该营业部开户的乙的资金账号及交易密码后,通过电话委托等方式在乙的资金账号上高吃低抛某一支股票,同时通过自己在证券交易部的资金账号低吃高抛同一支股票,造成乙损失30万元,甲从中获利20万元。对甲应当如何处理?( )
【判断题】Michael began a very careful training program at the age of sixteen.
【判断题】Michael began a very careful training program from the age of 15.
【简答题】已知椭圆C: x 2 a 2 + y 2 b 2 =1 (a>b>0)上的一动点P到右焦点的最短距离为 2 -1 ,且右焦点到右准线的距离等于短半轴的长. (Ⅰ) 求椭圆C的方程; (Ⅱ) 过点M(0, - 1 3 )的动直线l交椭圆C于A、B两点,试问:在坐标平面上是否存在一个定点T,使得无论l如何转动,以AB为直径的圆恒过定点T?若存在,求出点T的坐标;若不存在,请说明理由.
【单选题】____ occurs when a disease spreads quickly.
【简答题】_________,this kind of disease can do great harm to people there. A.Occurring where B.It occurs where it is C.Where does it occur D.Wherever it occurs