定积分0-2x*e的x次方dx

Which is right?A.He needn't using your computer.B.He doesn't need use your computer.C.He needn't to your computer.D.He doesn't need your computer. 用Who引导的疑问句怎么改?用WHO引导的疑问句,应该也是WHO+一般疑问句,像下面这个题,为什么没有借助DO呢 1.(Bob) helped Ann.改为who helped ann?为什么不是 who did help ann?为什么不用do呢这个地方?2.(MR.l traveling by air may be ( ),but not so ( ) A.quicker;cheaper B.more quickly;cheap C.quicker;cheapD.more quickly;cheaper Travelling by air may be ____,but not so ____. 答案是quicker cheap 求解释为什么不用cheaper？ Traveling by air is quicker. Traveling by air is more quickly.这两句话那句话正确 Sichuan food is hot and delicious.改为感叹句 读了摆渡老人这篇短文,你最大的感受是什么 摆渡老人阅读短文答案 读摆渡老人,1.第二自然段写我们拿摆渡老人取乐,作者举了那两个例子?请个用一句话概括.2.摆渡老人吃了很多苦,可他心甘情愿,这是问为什么?如果你再次看到摆渡老人,你会对他说. 屎吧说的 see see no say say 神马意思? 摆渡老人阅读习题 say是神马意思 Which sentence is right?A.His father has gone to HongKong twice.B.Where have you been these days?C.I don't know what the matter was wrong with him.D.Kate's brother has joined the army since three months.为什么？ 选择：Which sentence is right?A.Come meet my sister,Kate.B.Go there see,Lucy.C.Come and meet my friend,please.D.To meet my brother.说出为什么. which sentence is right,why?A) may you succeed!B)you may succeed!C)succeed may you!D)succeed you may Which sentence is not right? 填空：There are______days in a year. There are t___ months in a year .March is the t ___ month of a year .Spring s ____ 根据首字母填空in it .The weather g___ w___ and the d___ get longer in spring.Summer comes a___spring.It's usually very h___.Children like to eat i_____and go s_ There are ( ) or ( )days in a year.怎么填? 改为感叹句The chicken is delicious两种方法 关与小学六年级古诗的问题表达了_________________________的感情.表达了诗人对__________________________的不满和愤慨.表达了诗人______________________的感情.表达了诗人___________________的思想情操. 英语感叹句英语的感叹句要如何写.怎么把句子改为感叹句 如何设计小学古诗词教学 翻译 “温故而知新,可以为师矣”中的“可以”是什么意思? 温故而知新,翻译! 温故而知新英语翻译 翻译成现代汉语:1吾日三省吾身2温故而知新,可以为师矣3学而不思则罔,思而不学则殆4己所不欲,勿施于人 写出下列词语的近义词凝聚() 湛蓝() 轻盈() 勤勉() 勉励() 真挚() 端详() 抱怨() 魁梧() 荒唐() 降临() 眷恋() 指望() 恩赐() 摩挲() 低微() 启迪() 亲昵() 亢奋() 随心所欲() 忐忑不安() 囫囵吞枣() 别 写出下列词语的近义词：爱慕——（ ） the food teasted so delicious怎么改成感叹句 The food tasted so delicious.改为感叹句 那位能帮用英语帮我翻译一个地址：“中国河南省新县八里镇聂潭”别翻译错了急着用,请别翻译错了,谢谢!：“中国河南省新县八里镇聂潭”