衡水金卷先享题2024答案数学分科综合卷 新教材乙卷A
22.(1)因为△ABC≌△ADE,所以∠BAC=∠DAE.所以∠BAC-∠BAE=∠DAE-∠BAE.所以∠CAE=∠BAD(2)因为△ABC≌△ADE,所以∠B=∠D,因为LAFD=∠EFB,LD+∠BAD+∠AFD=180°,∠B+∠EFB+∠BED=180°,...
22.(1)因为△ABC≌△ADE,所以∠BAC=∠DAE.所以∠BAC-∠BAE=∠DAE-∠BAE.所以∠CAE=∠BAD(2)因为△ABC≌△ADE,所以∠B=∠D,因为LAFD=∠EFB,LD+∠BAD+∠AFD=180°,∠B+∠EFB+∠BED=180°,...
所以CE和平面ABCD所成角为∠ECO,即∠ECO=O.7分设∠EMF=a,则0<a<π①当0<a<时,在Ri△EM0中,M0=cosa&,E0=sin&,所以OF=MF-OM=1-cosa.②当T<a<元时,在R△EM0中,M0=cosπ-a...
2023年毕节市高一年级联考数学参考答案及评分建议一、选择题:本题共8小题,每小题5分,共40分:题号15678答案BACBDCDA二、选择题:本题共4小题,每小题5分,共2...
参考答案中原布空升酒7.54【解析】由题意,将T℃=12代人TC=10+N-412.解:(1)y-4y=-2y+5,-2;(2)换元思想;0,得12=10,0,移项,合并同类项得7(3)设3x-2=y,则原方程...
f(1)+2022=2023,D正确.1.CD设-音=,因为x∈(0,x,所以长(-吾,wm一晋).因为f(x)有两个零点,所以x<m一吾≤2x,即名<w<冬又因为fx)有两个极值点,(s)=cost所以y=cos1...
口■■■口口☐即m-)=血r有两个变号根.令g=x(x>0),则g=1-nx,由g')=0得xx=e,易知当x∈(0,e)时,g'(x)>0,此时g(x)单调递增;当x∈(e,+o)时,g'(x)<0,此时g)单调递减.所...
stressful,for example,enjoy,dancing,plan,school,basketball,team,player,fan,water,friend
38.G。此空设于段中,与上文存在转折关系,这些想法会让你陷入困境,阻碍你前进。与之相反,关注可能使你成功的因素;与下文存在因果关系,关注积极的因素将帮助...
第二节(共5小题;每小题2.5分,满分12.5分) 阅读下面短文,从短文后的选项中选出可以填入空白处的最 佳选项。选项中有两项为多余选项。 Cities are diverse ec...
W:You have graduated from a university.Digging gardens is not a job for you. M:But the money is not bad and there is plenty of fresh air. W:If I were...
er,you tend to find meaning in the world around you. You think more than you do. Sometimes you think so much that you don't end up doing anything.You...
He will present his project entitled "Understanding the de- cline of threatened antelopes:using barcoding(条形码)to meas ure the impact of damaged wet...
and confused. They went to their local pub.Gavin played the guitar and Horam sat in the corner with his harmonica,trying to make a sound that no one w...
Christmas for 30 years,and hearing Joe's voice made me feel 30 about it all over again. One Christmas 31 when I was seven,I'd woken up ear- ly,went do...
第二节(共10小题;每小题1.5分,满分15分)》 阅读下面短文,在空白处填入1个适当的单词或括号内单词的 正确形式。 In recent days,I have watched a TV series...
C.Peter's age. 3.Where was the man going when he met with an accident? A.To the bank. B.To the supermarket. C.To the hospital. 4.Where does the conver...
can evaluate 30 to 40 people a day,and we need to pay return vis- its to update their results time and again.It's quite a challenging task,”Jiang said...
答案:3640 GEDBF
C.Making the app available for sale online. D.Making the app include streets nationwide. 27.What can be the best title for the text? A.Poor road condi...
ing these tasks.After an hour-long delay,Zeigarnik asked the participants to give an account of what they'd been working on. She discovered that those...
A.In which way migrating birds can fly farther. B.Why some warblers have to fly at such a high altitude. C.What challenges birds will meet with at a h...
12.What kind of car is Schumacher driving? A.Maserati 248F1. B.Ferrari 284F1. C.Ferrari 248F1. 13.What can we learn from the conversation? A.The man i...
【答案】 One possible version: Dear Peter, How is everything going?I'd like to invite you to participate in our school's scientific innovation activit...
第三部分语言运用(共两节,满分30分) 第一节 (共15小题;每小题1分,满分15分) 阅读下面短文,从每题所给的A、B、C、D四个选项中选出可以 填入空白处的最佳选...
30.What is paragraph 4 mainly about? A.The problems faced by pesticides. B.The ways to protect beneficial insects. C.The impact pesticides have on eco...
35.C根据全文内容可知,作者描述了美国社会中间孩子减少的 现象,分析了中间孩子容易成功的原因,因此作者提倡美国人 要多生小孩。