【单选题】如图,尺规作图作∠AOB的平分线的方法如下:以O为圆心,任意长为半径画弧交OA、OB于点C、D,再分别以点C、D为圆心,大于0.5CD的长为半径画弧,两弧交于点P,作射线OP.由作法得△OCP≌△ODP从而得两角相等的根据是( )
【简答题】听下面一段材料,完成1-3小题。 1. Bill was asked to ______. A. go to a movie with mom B. shop with mom C. visit Mr. Wang 2. Who is older, Peter or Bill? A. Peter. B. Bill. C. Not mentioned. 3. What will they do nex...
【单选题】尺规作图作∠AOB的平分线方法如下:以O为圆心,任意长为半径画弧交OA,OB于C,D,再分别以点C,D为圆心,以大于 CD长为半径画弧,两弧交于点P,作射线OP由作法得△OCP≌△ODP的根据是 [ ]
【简答题】用括号内所给词的适当形式填空。 1. Mary happened to meet one of her old friends and invited him ____ (go) to her new house. 2. They are getting ____ (marry) next month, so they are very excited now. 3. You will feel ...
【判断题】市场定位的实质是使本企业与其他企业严格区分开来,使顾客明显感觉和认识到这种差别,从而在顾客心目中占有特殊的位置。
【简答题】数据模型由数据结构、数据操作和【 】三个要素组成。