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zk.hagaozhong.com?滑县中考成绩查询(共9篇)
zk.hagaozhong.com?滑县中考成绩查询(一):
某同学参加高二学业水平测试的4门必修科目考试.已知该同学每门学科考试成绩达到“A”等级的概率均为2 |
3 |
(1)设4门考试成绩得到“A”的次数为X,依题意,
随机变量X~B(4,
),2 3
则P(X≥2)=1-P(X=0)-P(X=1)
=1-
(C 04
)4−1 3
(C 14
)(2 3
)3=1 3
,8 9
故该同学至少得到两个“A”的概率为
.…(6分)8 9
(2)随机变量Y的可能值为0,1,2,3,5,…(7分)
P(Y=0)=
(C 04
)40=1 3
,P(Y=1)=1 81
(C 14
)(2 3
)3=1 3
,8 81
P(Y=2)=
(C 24
)2(2 3
)2=1 3
,P(Y=3)=8 27
(C 34
)3(2 3
)=1 3
,32 81
P(Y=5)=
(C 44
)4=2 3
.16 81
随机变量Y的概率分布如下表所示
Y | 0 | 1 | 2 | 3 | 5 | |||||||||||||||||||||||||||||||||
P |
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zk.hagaozhong.com?滑县中考成绩查询(七):求英语达人帮写篇高中顶级水平英语作文,具体内容如下.要求十点五十前完成.假定你是李华,正在上海第二中学读高二,你想参加SAT考试以申请美国的大学,特向SAT官方机构ETS咨询问题.请按下列要求写封电子邮件:1.本人简介;2.寻问事项:SAT考试内容﹑考试地点和时间﹑考试费用等;3.请自拟一个相关问题;4.你的联系方式:Email:lihua_china@yahoo.com;Phone:12345678.词数100左右,可以增加适当细节,以使行文连贯,开头和结尾已经给出.开头:Dear Sir/Madam.结尾:Looking forward to your reply. 用翻译软件的死全家. Dear Sir/Madam. zk.hagaozhong.com?滑县中考成绩查询(八):2道高中市模英语考试题、谢谢1.____ worries me the way he keeps changing his mind.A.This B.That C.What D.It 选哪个?为什么? 2.--What in the world put you in a really bad mood? --_____ in the traffic for hours. A.Stuck B.Being stuck 选哪个?为什么? 1. 第一题是否漏打了单词?请查对无误后告诉我.我的邮箱是:zhoushihong_cool@163.com. zk.hagaozhong.com?滑县中考成绩查询(九):2008届江苏省百所高中样本分析考试英语完形填空的详细解析及译文第二节\x05完型填空(共20小题;每小题1分, \x05阅读下面短文,从短文后各题所给的四个选项(A、B、C和D)中,选出可以填入空白处的最佳选项. \x05When I received my grade on my first writing assignment,I was very disappointed.I met with Dr.Caldwell to discuss my 36 and my work.She gave me lots of 37 and allowed me to rewrite my paper.My grade improved but I still was not completely 38 .Dr.Caldwell decided to help me and 39 me into a capable writer.Before each paper was due,I turned in a 40 draft and she corrected it for me.Her dedication to my successfulness was very encouraging because she 41 the time to personally help me time and again. \x05Dr.Caldwell is behind my dedication to the learning process.Not only did she help me,but also Dr.Caldwell has 42 me to become a teacher and dedicate my life to helping children who struggle through school.My most memorable 43 as a teacher was when I tutored a fourth-grade boy,Darnell,in math.He was unable to add,minus,multiply,or divide.He was far 44 his classmates and needed personal 45 to help him work at the sam level. \x05 46 we first began our sessions,Darnell was very quiet and 47 in learning.I was becoming frustrated because after two weeks,it seemed as if we had not 48 a goal.Hapily,Darnell finalyy 49 up to me and became absorbed in his work.His progress began to show through and his teacher told me his grades in class had 50 greatly.I was very happy with the progress that we had made and became even more dedicated to Darnell’s success.We had a lot of 51 learning math; we created many games and played them to make learning more 52 for Darnell.All that Darnell needed was the one-on-one attention that I was able to give him and once he 53 it,his improvement was evident almost 54 .I was able to work with Darnell and encourage him to learn the 55 Dr.Caldwell worked with me to become a better writer. 36.\x05A.grade\x05\x05\x05B.study\x05\x05\x05\x05C.paper\x05\x05\x05\x05D.essay 37.\x05A.solutions\x05\x05B.approaches\x05\x05\x05C.means\x05\x05\x05\x05D.suggestions 38.\x05A.satisfied\x05\x05B.interested\x05\x05\x05C.absorbed\x05\x05\x05D.excited 39.\x05A.talk\x05\x05\x05B.put\x05\x05\x05\x05C.turn\x05\x05\x05\x05D.persuade 40.\x05A.tough\x05\x05\x05B.detailed\x05\x05\x05C.rough\x05\x05\x05\x05D.general 41.\x05A.spent\x05\x05\x05B.took\x05\x05\x05\x05C.cost\x05\x05\x05\x05D.paid 42.\x05A.encouraged\x05\x05 B.forced\x05\x05\x05\x05C.prevented\x05\x05\x05D.begged 43.\x05A.experiment\x05\x05 B.experience\x05\x05\x05C.example\x05\x05\x05D.moment 44.\x05A.behind\x05\x05\x05 B.before\x05\x05\x05\x05C.beyond\x05\x05\x05D.ahead 45.\x05A.wealth\x05\x05\x05 B.sympathy\x05\x05\x05C.comfort\x05\x05\x05D.attention 46.\x05A.When\x05\x05\x05\x05B.Before\x05\x05\x05\x05C.While\x05\x05\x05\x05D.Once 47.\x05A.uninterested\x05\x05B.involved\x05\x05\x05C.concerned\x05\x05\x05D.interested 48.\x05A.owned\x05\x05\x05\x05B.finished\x05\x05\x05C.learned\x05\x05\x05D.achieved 49.\x05A.looked\x05\x05\x05\x05B.opened\x05\x05\x05C.walked\x05\x05\x05D.came 50.\x05A.obtained\x05\x05\x05B.raised\x05\x05\x05\x05C.improved\x05\x05\x05D.decreased 51.\x05A.trouble\x05\x05\x05B.time\x05\x05\x05\x05C.fun\x05\x05\x05\x05D.difficulty 52.\x05A.difficult\x05\x05\x05B.important\x05\x05\x05C.reasonable\x05\x05\x05D.enjoyable 53.\x05A.learned\x05\x05\x05B.received\x05\x05\x05C.afforded\x05\x05\x05D.failed 54.\x05A.instantly\x05\x05\x05B.punctually\x05\x05\x05C.slowly\x05\x05\x05\x05D.gradually 55.\x05A.skill\x05\x05\x05\x05B.means\x05\x05\x05\x05C.knowledge\x05\x05\x05D.way 36-40ADACC 41-45BABAD 46-50AADBC 51-55CDBAD 最大c的灵感源泉,我一j直都是我的父1亲.虽然他已w经离开g了n18年,他的课 产生共鸣共鸣(),还是他教我如何经营自己y的种族.但最鼓舞人z心4的事,他教我被原谅. 一z个s事件是生动的记在心0里.这发生在当我还是个x孩子p.我的妹妹,我不t是很喜欢一l个g所谓的朋友y的父2亲.爸爸是个q非常慷慨的人o,并为3他做那么g多的人u,他就会给这个r人g有很大u的帮助.但当他请求帮忙的话,这个s人p没救. 爸爸的世界观人w生观)在大y部分1事情(“宽以5待人y.”在这种情况下f,然而,他和我的烦恼,位于b冷静,我们就让他知道它. “你怎么a能善待那个j男人c?”我们对他说.“你一e直对他很好,但他不d是善良.你为1什1么c想要给他一x天y的时间吗?” 我的父8亲耸肩),耸了z耸肩.(对我们说:“我没有使我昨天y跟他回来.” 我没有得到它,但过去几g年,我开g始明白了z哲学.成为8(怨恨)不c会改变的人s,但你的气4就会改变你.它让你重,可以1给你更多的重量,拖. 我父6亲去世后,在4700年,一y个i(n)信来自一l位我吵了x一u架和几x年前(过去时)来表达他的同情.他写道:“我想告诉你,我是多么g的抱歉关于y你损失你的父5亲.我知道他指的是你的世界.我只是想让你知道你是在我的脑海中5.” 太y多的感动,我写了i回来.我感谢他对他的好意.然后,因为0他会提到我们的分7歧时,我记得爸爸的鼓舞人m心2的单词.“我爸爸的女u儿v说,我所写的.“像他,我不y要使我回到与a昨天i的事.” 本文来源:http://www.zhuodaoren.com/shangji908438/ 推荐访问:上一篇:潼南实验中学2018年高一考试成绩
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