小学六年级科学作业设计及答案

如图,在Rt△ABC中,∠C=90°,AD平分∠BAC,BD=12cm,CD=6cm.△ABC的面积为 高分送上晚上三点测的测试纸,五点发现一条很浅很浅的第二条线,三点测的没发现什么,五点天亮了对着光看里面有条很浅很浅的线,平着看不到,八点又看了还是那样子,中午看了也还是没有变, 请问同房后十天能用早早孕测试纸测出怀孕吗?我昨天晚上测了一次,第二条线只能模糊感觉到,今天早上又测...请问同房后十天能用早早孕测试纸测出怀孕吗?我昨天晚上测了一次,第二条线只 初二数学 相似三角形 练习题 求解正方形ABCD中,M.N为AB.BC上的点,且BM=BN,BP⊥CM于P,连接PN.PD求证：⊿BPN∽⊿CDP 汲这个字用在姓是读几音 如何求sin∠A+cos∠A=0.25中∠A度数 《孙子兵法》之《谋攻篇》原文中“修橹”后面两个字及“距”后面那个字怎么读?用王码五笔型输入法怎么操作? 交际运用.从二栏中找一栏各句的答语一（ ）1.Have you ever seen an elephant?（ ）2.Is the Sun a star? ( ) 3.Light travels faster than sound . ( ) 4.How many planets go around the Sun? ( ) 5.Who have been to the Moon "天朝物产丰盈,无所不有,原不籍外夷货物以通无有"乾隆此话反映了他采取了哪一政策? 从二栏中选出与一栏相对应的答语 天朝物产丰盈,无所不有,原不藉外夷货物反映了乾隆怎样的思想 从第二栏中找出第一栏各句相对应的答语. 急,马上求解,学霸们帮帮忙 乾隆给英国国王的信中天朝物产丰盈 无所不有 原不藉外夷货物以通有无 的 夷 是什么意思 从二栏中找出与一栏相对应的答语 若1/3x^(4a)*y^4*z^b和7x^8*y^(a-2c)是同类项,求值 3.5a^2b与1/2a^2c是不是同类项 计算：8a^2b^2c÷()=2a^2b,(7x^3-6x^2+3x)÷3x=() 从2栏中找出1栏各句的应答语.1When many people are waiting in a line,( )When you are on the bus.,( )When you get off the bus,( )When you are in the UK,( )When you are get on the bus,( )2you have to drive on the left.you must buy a ticket.yo 在Z栏中找出与V栏中相应的答句!Z栏：1.Is this your school bag?V栏：A.It‘s in that building.2.Where’s Yang Ling?B.No,there aren‘t.3.Where’s the reading room?C.All right.4.How many toilets are there?D.Thank you.5.Are there any sl 材料一 天朝物产丰盈,无所不有,原不藉外夷货物以通有无.材料一 天朝物产丰盈,无所不有,原不藉外夷货物以通有无.ーーーーー清乾隆帝致英国国王乔治三世的信函材料二 洋船至宁波者甚多, 材料二：天朝物产丰富,无所不有,原不藉（借助）外夷货物以通有无.材料一:明朝以前,我国是当时世界上经济、科学最发达的国家.明朝小说《醒世恒言》里,描写了施复夫妇发家至富的故事. 将I栏和II栏中相对应的问句和答句连线1.What do you have on A.l watch TV on sundaysMondays?2.What day is it today B.She`s young and pretty 3.Who`s he?C.We have English ciass4.What do you do on D.lt`s TuesdaySundays?5.What`s she like E.He 六.请从二栏中找出能与一栏中的内容连成句子的选项,将序号填在括号里,并将完整的句子抄写下来.1栏：( )1.which season( )2.what's your( )3.when do you( )4.what do you2栏：A.get up?B.do you like best?C.do?D.favour 英语翻译I IIFish and chips is in the park at lunch time English people go to a fish and chip shop Chines take-away food People eat take-away food the most popular take-away food in EnglandPeople take the food home or to their work placeAmerican p 在下面描述的运动中可能存在的是?A.速度变化很大,加速度却很小B.速度变化方向为正,加速度方向为负C速度变化很小,加速度却很大.D速度越来越小,加速度越来越大答案竟然是ABCD 吓了我一跳 松乳菇的人工培植 我想问问这是真的不?人工培植 菌种制作 　　松乳菇与其它菇类相似,菌种通常有母种、原种和栽培种.母种培养基配制：母种培养基用马铃薯、葡萄糖、琼脂培养基（pda）. 能否用自身的DNA人工培植器官?人工培植器官,然后让有先天性心脏病的病人能用自己的DNA培植一个健康的心脏,然后替换；或者那些肾衰竭的病人患肾.再或者,让那些因为意外,或者先天性疾病 阅读A栏的句子,用I'II(I will)加括号里的动词完成B栏中的答句.(carry,do,eat,send,show,sit,stay)A1.My bag is very heavy2.Enjoy your holiday3.I don't want the banana4.Do you want a chair?5.Did you phone Jenny?6.Are you coming with me?7 从ii 栏中找出能对i 栏内句子的语句.i1.how are you these diease?2.whatcan you see in the picture?3.how oid ate you?4.wha,s your sister,s job?5.where,s lin tao?6.are the trousert yours?7.are you in the same class?8.show me your new toy,pie 从II栏中找出与I栏中各句相对应的答语(悬赏20分)I( )1.Would you like to go out for a walk with us?( )2.How often do you go swimming?( )3.How many students are there in your school?( )4.What are you going to be when you grow up?( )5.Co 请在II栏中找出I栏的正确答语!1、Where does Jack live?A、Yes,I do.2、What's John's hobby?B、He lives in London.3、Do you lick sewing?C、Two.4、What do you think of hiking?D、His hobby is playing chess.5、How many pens do you have?E 1.-25×（-15分之7）+13×（-15分之7）-3×（-15分之7）2.{4又3分之2×（-15分之4）+（-0.4）÷（-15分之4）}×1又5分之1