第1章1.4~1.6同步测试题-、1.D2.D3.D4.D5.46.C7.G8.C二、9.510.AC=D11.A'B':∠DA'B',∠BA',C12.1013.2514.17三、15.如，△ABC就是所求作的三角形BE第15题图16.因为A...

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|F2G|=|F2E|,所以|PF,|-1CD1=30,由+°-2yy=10+2,得IPF2=(PD DF)-(PE+所点Q的轨迹为焦点在y轴的双曲线yiy23t2-1IEF2)=DF-EF2=GF的上支，且2a=10,2c=30,1+=10+2.10+...

大一轮复习学案数学第五节事件的相互独立性、条件概率与全概率公式课标要求1.了解两个事件相互独立的含义2理解随机事件的独立性和条件概率的关系.3.会利用全概率...

=37V-4m)m≤3×4+4m-9(当且仅当m=±平∈(-o)U72(0,号)时，等号成立)小所以所求直线的方程为yx十孕或y-212分22.(1)解：，f(x)=e-1-lnx,f(x)=e-1-1,2分设x)=e1-文rx)=e...

2.已知函数f(x)=x血x-m(x-l)且f(x)≥0(I)求实数m的取值范围；()设女为整数，且对任意正整数”，不等式+1+3小…1+化恒成立，求k的最小值(mD证明：（2024-<。<(2024

显然C>0.②-①并化简得a+b>0,选项A正确：2×①+②并化简得2a+c>0→a+c>-a>0(a<0),选项B正确：由①有b=a+c,故-a+b+c=-a+a+c+c=2c>0,选项C正确；b2-2ac-5a2=(a+c)2-2ac-5a...

必修一UNIT1 LESSON3&WRITING WORKSHOP,VIEWING WORKSHOP,READING CLUB综合评估参考答案及部分解析参考答案1-5 ABCCA6-10 BACCB11-15 BCAAB16-20 CACBA21-25 DBC...

两人获胜的概率相等，可将游戏规则修改为：两次郑的点数之·状胜，否则小亮获性题报第⑩期概率初步自我评估参考答案答案速览答案详解-、1.C2.D3.B4.D5.D6.C7.A8.C...

Set a goodHe sad hewoud visit his grandmotherhe came back.country itA.as soon as8.-Do you think Li Kai willB.in order thatC.so thatD.even thoughNorthh...

试题答案1~5 CCABC 6~10 ABABA 11~15 CBBAB 16~20 BCCAA21~23 CAD 24~27 BADC 28~31 DCAB 32~35 CABD 36~40 DAFBE41~45 ACDBA 46~50 CDBCA 51~55 BADBC56.exactl...

e.g.2.These trees are the oldest (old)of all.山，根据上下文填入恰当的单词，或根据提示填3.Lisa is my best(最好的)friend.We stay写单词完成短文。together...

绝密★考试结束前2023学年第一学期六县九校联盟期中联考高二年级数学学科试题考生须知：1·本卷共4页满分150分，考试时间120分钟；2·答题前，在答题卷指定区域填写...

听力材料：节ALast year,I didn't like my English class.I was21.Readers can learn aboutin the first bookA.picture-drawing skillsChinese cultureafraid to...

关治图软ENGLISH WEEKLY4高二外研综合(0TJ)掌上周报微信小程序英语周报智能小助手(2023-2024)第5期《英语周振】CORNER听力材料Units13阶段检测听力材料、参考答...

WRITING PRACTICE求助信主体段：读后续写练练手1.遇到的具体困难There are three main problems I'm faced with阅读下面材料，根据其内容和所给段落开头语续写一...

Ⅱ.1.that2.solution3.without4.shopping5.poisonous 6.varieties7.to be8.necessarily9.was treated10.a第l8期A4版Key(One possible version):实战演练Dear frie...

注意：WRITING PRACTICE四1.续写词数应为150左右；One possible version:2.请按如下格式作答。写In the final round,Alex found himself facing a seasoned“Mom,...

可知，测试结果喜人。D篇主题语境：人与社会一一社会本文是新闻报道。初创公司Sook希望以商铺短租的方式拯救英国的商业街。32.C。理解具体信息。根据第二段中的J...

2三LL9LLL'三2O2C.The challenge of the new researchD.The achievements of the new study.第三部分语言运用（共两节，满分30分）When will the emission off r...

(Text 3) M:So Jenny,What do you do for a living? W:I work at the local school teaching English.What do you do for a living? M:I'm also an English teac...

Follow safe,legal driving practices and you're less likely to damage your car. 39 OMore job opportunities A clean driving record is a standard require...

position in their chosen field. Money:During the regular academic year (September to April),you can work part-time and earn $3,200-sometimes more-whil...

第二节（共5小题；每小题2分，满分10分） 根据短文内容，从短文后的选项中选出能填人空白处的最佳 选项。选项中有两项为多余选项。 Why do visitors go to museu...

第二节（满分25分） 阅读下面材料，根据其内容和所给段落开头语续写两段，使 之构成一篇完整的短文。 When she looked around her house,Betty Margaret saw lot...

M:Too bad.It sounds as though there won't be much time for good music. W:The station is going to be on all day and all night without stopping.So I'm s...

B I still remember I was 11 years old when I asked my mom for piano lessons in 2010.We were in the fallout of the recession 济衰退).She said a polite“...

3.Where does the conversation take place? A.In the kitchen. B.In the bedroom. C.Outside the house. 4.What is the requirement for the job? A.Working ab...

painters. W:What's the major difference between the two? M:Well,contemporary artists'works are more abstract com- pared with the classical style of tr...