百师联盟 2023届高三冲刺卷(五)5 河北卷生物试题答案，知嘛答案网已经编辑汇总了百师联盟 2023届高三冲刺卷(五)5 河北卷生物试题答案的各科答案和试卷，更多试卷答案请关注知嘛答案。
【语篇导读】本文是一篇记叙文。文章主要讲了一个十岁的小男孩用自己的坚持，救了一位上了年纪的邻居的故事。l.C【解析】细节理解题。根据第二段That was whenthe young boy noticed an open garage(车库）andafigure(身影)that he believed was a dog outside anapartment building near his house.Given the freezingweather,the young boy got a feeling that something wasnot right.可知，当看到在一个打开的车库里有一个身影，Danny意识到出了一些事情。故选C。2.C【解析】细节理解题。根据第三段Sure enough,as she got closer to the apartment building she noticed agarage that was wide open and someone waving madly forhelp.可知，当Dawm更靠近车库时，她看到一个老妇人挥手寻求帮助。故选C。3.D【解析】推理判断题。根据第一段A10-year-oldboy from Howell,Michigan is being praised as a herothanks to his persistence that led to saving thelife of an elderly neighbor..和最后一段The two thenreturned with some blankets to cover Ms.St.Onge,while they were waiting for the ambulance to arrive.断出Danny是一个坚持而又热心的孩子。故选D。4.D【解析】主旨大意题。根据全文的主题句A10-year-old boy from Howell,Michigan is being praised as ahero thanks to his persistence that led to savingthe life of an elderly neighbor..可知，这篇文章主要讲了一个十岁的小男孩用自己的坚持，救了一位上了年纪的邻居的故事。故选D。
19.【解析】(1)根据表中数据，计算可得：z1+2+3+4+5+6+1=4,y=之77301=43.…2分所以2（x,-=(-3P+(-2)+(-1+0+1+2+3=28.2号-号零理换一=。造必识当又因为2(x-x)(%-)=112,所以6=4列0x-列112-28…4分2(x-)所以a=y-6x=43-4×4=27.所以y关于x的线性回归方程为y=4x十27.当x=8时，得y=4×8十27=59.所以预测该商超下周的利润为59万元.…………6分(2)该客户所获得的代金券总颜X的所有可能取值有0,20,30,40,50,60.7分P(X=0)=×-6P(X=20)=2x合×号=，P(X=80)=2x×号-言，P(X=40)=2×号-P(X=50)=2x号×=}，P(X=60)=×=0代金券总额X的分布列如下表：)亦：月维高长留X02030405060P话4名品0售(所以E(X)=0×6+20×号+30×日+40×+50×号+60×6=35（元）.12分
