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123456题答案都要 123456题,急 急用.123456题第7题要过程, 初一英语求教.1.My favorite fruit are oranges(改为同义句）2.English is an interesting subject(改为感叹句）3.John likes science （because it's interesting） 对括号内部分提问 求教 求教啊Olympic adventure请认真对待小女在此谢过在这里 adventure 是激动人心的活动我想知道这两个合起来是什么意思 求教初一英语填空also,music,to,every,sport,too,day,the,in,a,and,interest Matt Dieter is my good friend.He is a _____.He can play_____violin well.He lives_____washington DC.Where does he work?In Sesttle!He works there five_____ a week.He goes h 求教, 已知tana=3,求sin(a+3π)+cos(π+a)/sin(-a)-cos(π+a)的值 已知sin(π/2+a)+cos(π/2-a)=1/5,a属于(0,π),则tana的值为 已知tana=-2,-π/2 已知tana=-2,求〔sin(∏+a)-cos(-a)〕/〔sin(∏-a)+cos(7∏-a)〕的值 我是一新手,拜托给我几个最佳答案,我要完成任务! 百度知道的任务 新手任务之回答篇 怎么做!1任务2 在知道搜索您感兴趣的待解决问题,并回答其中一个问题 我去回答了,是列表里的待解决问题,但没记录 ,也没完成任务,和等级有关么好的 Ex3.若锐角a,b满足tana•tanb=13/7,且sin(a-b)=3分之根号下5 求cos(a+b)=? 已知A,B为锐角,且Sin(A-B)=1/2.cos(A+B)=1/3.求tanA*tanB的值 求证sin(A+B)/cos(A-B)=(tanA+tanB)/(1+tanAtanB)如题,sin(A+B)/cos(A-B)=(tanA+tanB)/(1+tanAtanB) 做任务要提问千度《新手任务之入门篇》之要求 孩子们,我是为了做任务,才来提问的 tanA,tanB是方程X^2+6X+7=0的两个根,证明sin（A+B）=cos（A+B） — Can I help you?We have all kinds of pants.— （ ）.A.No,thanksB.Here you areC.You're welcomeD.I'm sorry 单选 1.Be careeful when you ____ the road.A.across B.read C.watch D.crossing2.They happy ___ each other.A.see B.saw C.sees D.to see3.You may see ___ in the morning.A.few traffic B.many traffic C.much traffic D.lot of traffic4.The young mother ___ worried. 据说这些岛上盛产石油.It is said that these islands are ___ ___ oil..所有这些问题老师并不是都能答.Not ___ ___ the questions can be answered by the teacher. 单选 怎样在1234567中间用加号或者减号使结果等于5?每个两个数字中间都要有+或者-,数字顺序不能换. 根据文章大意及首字母提示完成短文The summer holiday is coming.Lucy is a girl from G().She is going to visit Beijing U() and take Chinese l() there.Now she l() with her best Chinese friend Liu Mei in Beijing.It's a sunny day today.Liu M 根据所给首字母提示完成短文所缺单词```初一的```The police in Washington were looking for a thief.His name was John.At last they c_____ him.But while they were taking p______ of him from the front,from the back,with a hat ,without a 初一英语（根据首字母提示补全短文）Tomorrow morning we will visit the zoo.we can see a lot of a_ （1）such as camels,giffes,tortoise,goldfish,ahd s_ （2）ants there.D_（3）the time of the visit,i d_（4） to buy two s_ （5）f 帮我算算房子是多少平方米?房间长2.5米 宽2.9米 帮我算算房间多少平米房间1：宽是3.47米 长是5米 + 房间2：宽是3.47 长是4米+小道宽是1.15 长是2.35=?多少平米房间1+房间2+加过道=多少平米? 帮忙算算,（4分田是多少平方米?）