级数敛散性判别

（彧）括号里的字念什么读音 “彧”读音意思? 执子之手 与子携老 与执子之手 与子偕老 到底有什么区别 写文章（英语）1介绍我的房间及收藏品2介绍一家人的一日三餐80个词左右,简洁 求一些像we're here to save the day这样调子很特别个性的英文流行乐 用英文写文章（以下的他都是我表哥）我们是好朋友.每个节假日,我们都会在一起玩.他对我很好,总是把最好的给我玩.经常还带我出去找人一起来打篮球.每当我放假时,我都会回老家看他,我 英文写文章帮我用英语写几篇文章,内容不重要,字数尽量多点,但不要太多我的职业规划,我的理想工作,我的梦想,个人简历,我为奥运做过什么.如果答的好, 用英文写文章,1、形容一个人各方面都很有能力,发展全面的英文单词2、翻译：他工作很出色（不要主系表结构）3、竞争激烈的“激烈”用哪个单词?4、翻译:我经常参加社团活动,它提升了我 toronto是什么意思 be+动词ing形式可以表示什么时态 帮忙写个稍微长一点的英文短文,不要太难的,关于旅游计划!如提问一样,别超过500字但得300字以上, be动词的不同时态都表示什么意思不同的时态为什么要分be动词和一般动词啊他们有什么区别吗 he hasn't had breakfast yet.句中的had能不能改用eat,如果可以的话有些什么区别? he hasn't had breakfast怎么理解?是根本没吃饭呢还是吃了但是还没吃完?疑惑来自于新概念第二册的一个练习例句（Lesson4,P26）：He is still having breakfast .He hasn't had breakfast yet .如果单独把这句话拿 姐强行上弟.中文.清晰.漂亮中的UU叫什么名字,或者这部片子的番号也可以, He has not had breakfast yet.是什么时态?He is still washing the dishes.改成和问题一样的时态 Has he had his dinner yet?A.Yes,he hasn't B.No,he hasn't C.Yes,he had D.NO,he didn't 翻译：Mr.Marce will host the reception tonight . will you honor me with your vist的意思 be strenuous后出现动词用什么时态 a dinner in one's 英语有哪几种时态?分别be动词是什么?越具体越好 Be sure follow your host's s( ),or you will be in trouble. 1.The students should try to learn better.同义句改写2..I often get letters from my American pen friends.同义句改写3.It't __(必要的) to drink water every day.4.Don't __(拉) the door too hard.5.吉姆是一个勤奋的学生,他对学习 the students should ____ _____ ______to learn better.the students should try to learn better.同义句 We student should learn to use pocket money.应该是our student吧?We能和student连用么 过程 写一下 要写一下过程哦! Sandy wants a new uniform.(改为一般疑问句） 现在就要 forget it!easy or I think you are the last person ican see it's easy to forget someone apparently ,but difficult deeply.it's easy to forget someone apparently ,but difficult deeply.省略的有没有问题,请指正!