圆x2+y2=3在点（1,√2）处的切线方程

what is wrong和what is the matter有什么区别what is wrong和what is the matter到底有什么区别 What is the matter?等于What is the wrong? at time,on time,in time三者都表示什么?在什么情况下用? what is the matter?与 what is wrong?为啥 在what is the matter?与 what is wrong?为啥 在倒装句里不变 疑问句为啥也不变 enter过去式 r+ed怎么读:如enter的过去式entered,还有cheered enter的过去式是什么? I am going to retire somewhere quiet and beautiful.retire somewhere.二者为什么连用? I am going to retire somewhere quiet and beautiful.这其中的somewhere quiet and beautiful该怎么理解我看了网络上的很多解释 但我不认同他们把somewhere当作不定代词讲,因为前面的retire是不及物动词,somewhere应 i am going to buy a beautiful house somewhere out of town.怎么翻译? 我打算搬到一个美丽而宁静的地方.I ’m going to _____ _____ quiet and beautiful我要周游世界.I am _______ _______ travel ______ _______ ______ ______. Do you enjoy _____ English in our class,Mr.Green?A.teach B.teaches C.to teach D.teaching we do not enjoy speaks too much Chinese in our English class. 英文话题Do you love our class?字数100字! I am sorry I_____your dictionary at my home.填forgot ,还是left?why? you,do,to,often,our,come,schoo?连词组句 we often do ( )in our english class.A,listening B,listen C,listens D,are listen you are ___ boy in our classA;tall B;taller C;tallest D;the tallest为什么选这个。为什么选D 为什么加the tom as well as two of his classmates _____invited to the party.a. was b. were c. have been d. had been为什么选A?求解 Tom with his friends ( )to Australia a.has gone b.had gone 填空题 At the b_____ of our English class ,we often enjoy an English song. Before our English class,our English often asks,"Is _____ here?"A.anythingB.everyoneC.someoneD.everything We often use a recorder in our english class改被动怎么改 英语翻译大家意见统一好不好 我满头雾水 (>_ 服务非常周到 可以说 The service is very thoughtful么 London, which is the capital of UK, is a very beautiful city这个句子怎么理解呢,为什么一个句子中会有两个is i can't finish the work without your help.请问这句中without your help在句子中是什么成分? most students in our class （）asking questions in engligh. Most students in our class like English.(改为同义句)改成：（ ）（ ）（ ）students in our class like English. 谜语：Whatis that we never borrow but often return? I can do the work well with your help的同义句是什么?如题,原题是填空的：I（ ）do the work well ( ) your hlep这就是原题的同义句填空. 请问：符号用错了吗?With my uncle’s help,I did the work well.我觉得,应该省略,