已知向量坐标求夹角

完型填空：Everyone needs friends .We all like to feel close to someone .It is nice to have a friend to talk,laugh,and do things with.Certainly,sometimes we need to be alone.We don't always want people a__1__.But we would feel lonely if we never 求有时代感的建国60年演讲稿,2000字主题为"爱母亲爱家乡爱祖国"力求有时代感, Everyone needs friends.But do you know 46 to find real friendship(友谊) and keep it?An American writer 47 Sally tells young students some good ways to find 48 .Sally says finding friendship is just like 49 a tree.You plant the seed （种子） and 完形填空Everyone needs friends.We all like to__1close to someoneA.lLook B.watch C.feel D.see___is nice to have a friend to talk,laugh,and do things with.A .It B .He C.There D.Someone She is the girl ____ ____everyone whould like to make friends她就是那个人人都愿意和她交朋友的女孩.Whatever you do,don't sleep all day.____ ____ ____ you do,don't sleep all day. cherish the people you love 谁给翻译下.说是病句的 0 The people who love you do you know how to cherish the people,not worthy of love啥意思啊 急 Last Friday,we ______ social studies.上周五,我们去社会实践了.填什么?为什么? Does your uncle ____（shop ）with your aunt after supper? He or she accepts other people as equals. Some people say ,“The more homework a student does,the higher marks he or she will get" 写你的观点，大约8句话 if he or she is looking for other people in the f____.You can ask the caller to wait,"H____ on,please首字母填空 您好.看到你问有关到大庆气象局做暑期社会实践的问题.能帮我一下么您好.请问去做社会实践调查之前是否要打个电话.电话多少?去了能给予帮助么、 黑龙江省大庆市哪里可以学英语 high的形容词或副词是什么 把you do social studies have today连成一句话是疑问句 Social Studies怎么读 have social studies .learn about .interestinghave social studies .learn about .interesting topic .be called .huge animals .walk slowly .no more dinosaurs .bone .underground. 你为什么不留住我呢 怎么写英文 我喜欢夏天,我想把夏天留住.英文句子l like summer.l don"t want it to____ “留住现在”用英语怎么说? more...than...,much more...,much more...than...的区别如何搞清两者比较大小时的用法 请问much more slowly than ,slower than的区别Our teacher said sound travels much more slowly than light. 1.问：My favorite satr is Casey------答：She is c_____.2.Some people don,t like his new l______.3.Last night.I p_____ English. she enjoys______school,but some of_______work is too easy to feel interested.A./ ; / B.the ; / C./ ; the D.the ; the 与nature用法一样的形容词 hope fear peace nature enjoy sleep success home转形容词 英语nature reserve为什么是没用形容词但可以用它修饰reserve 难道是固定用法?2楼的别乱吹牛啊！ more than,much more than和 much than 的区别quickly please,thanks a lot. 我想你们留下 和我想你留下用英文怎么写 我想让你留下的英文怎么说