两位数乘两位数怎么验算

哪里有训练口语的机构,广州的因为自己工作需要,英语接触得多,想升职也只能老老实实的去学了,口语过不去,老板都不派我这样的人去接手国外生意, 和音乐有关的 成语或词语 及其由来.如梨园……四面楚歌…… 为什么昼夜交替无法用来证明地球自转? 地球不自转了有没有昼夜交替啊? 修改：They enjoy the fresh air and share the secrets of nature in the country. They are c______friends and always share their secrets with each other 求几个有xi 和qi 读音的成语或四字词语最好是意境一点的 就像乱qing心jing 醉梦生死 请大家帮我讲解几个句子：1,They show great concern about my life and study 读一读,选出划线部分读音不同的一项.1.A peak B team C weather 划线部分 ea2.A picture B.size pig 划线部分 i3.A bule B.must C.bus 划线部分 u4.A apple B traffic C play 划线部分 a5.A rain B.train C.pair 划线部分 ai 读一读,选出划线部分发音不同的一项 "我想我们不用分开"英语我想我们不用分开的英语怎么说语法要正确翻译机别进来 翻译英文"我想我们该分开下 " 英语翻译Life has its share of problems.frustration.pains.and sorrows.It also has.however.an endless supply of beauty.joy.light.llaughter.and love.lt is up to us to choose what we want out of it .Life is a wonderful.glorious gift given to us by GO 根据下面的意思写出描写人的词语 比喻外貌善良、实际心狠手辣的人比喻任劳任怨、埋头苦干的人 （ ）比喻外貌善良、实际心狠手辣的人（ ）比喻善于变化和伪装的人 （ ）比喻代人受过, take sb to somewhere somewhere充当的成分是什么（是不是双宾语）? 七年级下册英语十单元A部分3b的对话 “我不知道明天是否会下雨”英语怎么说呀? 我不知道是否要下下雨 翻译I don't know____ ____ ____it is going to rain I have no idea where the girl could have gone to.为什么不可以+to? 选择 I cant find Malian.Where is she?Sorry,sir.I have no idea—— A Where has she beenB Whereshe has been C Where has she gone DWhere she has gone have no idea at all___.A.where he has done B.where did he go C.where he wentD where has he gone 说下原因 用not until或until改写句子1.I didn't go to bed the TV play was over.2.We waited at this bus stop,The NO.5 bus came.3.The boys and girls didn't stop making noise.The teacher entered the classroom.4.I kept silent,The teacher asked me.5.I kept not 用“not.until”改写句子,意思不变before I received a watch from my father ,time never had any importance in my life.今天晚上的作业 上海的pets3笔试和口试只要单科合格就可以拿pets3是吗 pet3的有效期是多久口试和笔试考的内容是什么 PETS4级证书对日后找工作用处大吗?PETS4和CET4哪一个用人单位更看重,如果CET4过了还用考PETS4吗? PET3口语证书管用吗?我考过PET3,那时只过口语,那口语证书有用吗?现在准备考大学4级,但如果现在找工作要证书那PET3口语证管用吗? Has your mother ____Shanghai yet?She went there two years ago.如何选? PET3满分多少?要考多少分才能拿到证书?顺便问一下,用临时身份证能报名吗? 2012年3月份考的PET3级 过了,证书去哪里领? 求几部适合学英语的电影 直流电源和稳压电源的区别经常听到直流电源,稳压电源,还有直流稳压电源,不知道它们之间的区别在什么地方?请知道的帮我回答一下,如果能知道它们工作原理上的区别就更好了, 浅谈线性稳压电源和开关电源的区别