题目

如图，在平面直角坐标系xOy中，已知直线AB：y＝ x＋4交x轴于点A，交y轴于点B．直线CD：y＝－ x－1与直线AB相交于点M，交x轴于点C，交y轴于点D． （1） 直接写出点B和点D的坐标； （2） 若点P是射线MD的一个动点，设点P的横坐标是x，△PBM的面积是S，求S与x之间的函数关系； （3） 当S＝20时，平面直角坐标系内是否存在点E，使以点B，E，P，M为顶点的四边形是平行四边形？若存在，请直接写出点P坐标并求出所有符合条件的点E的坐标；若 根据句意及各题括号中所给的汉语意思，从下面的词中选取合适的单词或词组，用其适当的形式填空。 owe　absorb　wander　exchange　majority　reasonable　indicate　manner　aspect　cautious　whisper　see off　attach　bear　contrast 1．She was found several hours later, ________(漫游)the streets, lost． 2．As the teacher says, Bob is the most excellent students in every ________(方面)． 3．Hearing my words, she stared at me in a strange ________(方式)． 4．In cold climates, houses need to have walls that will ________(吸收)heat． 5．There’s a marked ________(差别)between his character and his twin brother’s． 6．I ________(欠)you a drink for helping me repair my car． 7．The ________(大多数)of the employees of my company have university degrees． 8．Every month the group meets, so its members can ________(交换)their views． 9．In Britain, packets of cigarettes come with a government health warning ________(系，贴)to them． 10．Research ________(表明)that men find it easier to give up smoking than women． 11．We managed to buy the apartment at a ________(合理的)price． 12．My classmates were ________(低语)in the corner of the classroom, but I didn’t hear what they were saying． 13．Owing to an urgent meeting, I failed to ________(送行)my aunt at the airport． 14．We should take a ________(谨慎的)attitude in making rockets． 15．I couldn’t ________(容忍)to see the disabled laughed at in public．