2023-11-13 16:15:26
所以DG⊥平面ABE6分(2)如图,过点E作直线l/IDG,则直线I⊥面ABE,AE,EBC面ABE,D又AE⊥EB,所以直线1,EA,EB两两相互垂直,以E为坐标原点,建立如图所示的空间直角坐标...
2023-11-23 07:08:59
ZADCBDB16.2V10【分析】设点M(x),记点C(4,0),推导出2M4=MC,然后利用当点M为线段BC与圆O的交点时,2MA+MB取最小值,即可得解。【详解】设点M(,),则2+y2=4,记点C(4...
2023-11-23 09:23:23
四、解答题:本题共6小题,共70分。解答应写出文字说明、证明过程或演算步骤。17.(本小题满分10分)已知集合A={x|x≥2}),B={xx2-8x十15<0.(1)求A∩(CRB);(2)定义M+...
2023-11-26 05:25:28
Part 33.You may feel it surprising that the 7-year-old Russian girl can speak three languagesDeveloping ideas Presenting ideasfluently4.No matter wher...
2023-11-26 06:59:33
下三步一体高效训练讲评1.写作词数应为80左右;礼记2,可适当增加细节,以使行文连贯。Teenage Healthy Lifestyle Poster Design Competition答案:One possible...
2023-11-26 10:23:06
可知,最后是脊髓植入物根据Oska的预期动作刺激他的肌肉。30.B。理解具体信息。根据最后一段中的Next,the researchers would like to...more compact可知,接下...
2023-11-26 10:51:26
2023-2024学年下学期高考·综合第35-38期参考答案及解析高考英语冲刺训练(九)参考答案及部分解析参考答案1-5 CCABA6-10 CBABC11-15 CBCAB.16-20 ACBBA21-25 CDC...
2023-11-26 11:05:13
C.听短文B)16.What festival is next Sunday?听力材料A.Teachers'Day.B.Mother's Day.C.Children's Day.听第五段对话,回答第10小题。听B)17.What will Kelly ma...
2023-11-26 13:07:02
6l田日⊙米26%☐120:25合肥-中2023~2024学年度高二年级第一学期期中联考·英语参考答案、提示及评分细则听力部分录音稿(Text 1)W:Tom,look at this amazing wood c...
2023-11-26 14:14:57
24.C。理解具体信息。根据第一段中的As someone who is always eager to learn andovercome my weaknesses...taking a public speaking class in my freshman ye...
2023-11-26 16:33:08
全国泡卷教托记Per.ovfabilities.He seemed to be overshadowed by his more outgoing and academically gifted peers.edMtee Perehidden beneath the surface.H...
2023-11-26 20:15:07
geography classes and think actively.Last but not least,you should ask your teachers orclassmates for help if you have any problems.M:Thanks so much.I...
2023-11-26 21:23:20
BWhenever I think of Ms.Anita Moore,I always smile and feel fortunate to have her as myteacher.All of her students knew she loved being a teacher.Her...
2023-11-29 21:51:20
of all I like reading a book.It's much better than watching TV. (Text 3) M:I have been coming to this candy shop ever since I was 8 years old.We used...
2023-11-30 18:46:59
第四部分写作(共两节,满分35分) 第一节短文改错(共10小题;每小题1分,满分10分) 假定英语课上老师要求同桌之间交换修改作文,请你修改你 同桌写的以下作文...
2023-11-30 19:55:20
parents for a few more days. W:I wish to,but I really can't.I have an important meeting to attend. (Text 3) M:Cindy's father has a farm.Cindy spent th...
2023-12-02 18:25:17
【答案与解析】 12.B主旨大意题。通读第2段可知,本段主要介绍了这次联合 研究的结果。 13.A细节题。根据第4段第3句可知,Arshamian在研究中发 现,嗅觉感知是由...
2023-12-03 06:51:02
A.Dogs could give off magnetic field. B.Dogs could backtrack with landmarks. C.Dogs could come back along a new route. D.Dogs could return by followin...
2023-12-03 07:59:00
telligence to not only detect obstacles but also their nature. "Not only is the warning that I am facing an obstacle rele vant,but also the informatio...
2023-12-03 12:31:25
第四部分写作(共两节,满分35分) 第一节短文改错(共10小题;每小题1分,满分10分) 假定英语课上老师要求同桌之间交换修改作文,请你修改你 同桌写的以下作文...
2023-12-03 13:41:20
B.Her fear of letting her family down. C.Her strong desire to achieve her aim. D.Her complete recovery from the operation. 27.Which of the following b...
2023-12-04 00:59:21
(Text 3) W:Are you excited about your trip? M:I can't wait.There is so much to see and do and eat.Paris has some of the most wonderful cheeses in the...
2023-12-04 02:07:20
for families.We have a big park and will soon have a swimming pool.We have a new movie theater that we built only one year ago.And we have many delici...
2023-12-04 04:23:25
【答案与解析】 如今,孩子很少做家务。那么,孩子是否应该帮忙做家务呢? 28.C根据第1段第3句可知,以前,孩子在农场和工厂工作,有 些甚至长时间在危险的条件...
2023-12-04 16:03:16
【答案】56.produced57.whose 58.had become 59.con- trolled 60.to give 61.closely 62.Although Though /While 63.benefiting 64.valuable 65.as
2023-12-04 22:30:58
【答案与解析】 本文介绍了著名儿童作家乔安娜·柯尔的相关情况。 24.B根据第1段最后一句可知,乔安娜·柯尔的写作激情主要 来自她的一位小学老师 。 25.D根据第4...
2023-09-15 17:44:53
2023-10-05 00:27:25
2023-09-15 18:55:15
2023-09-15 17:36:52
2023-10-01 00:57:09