如图已知角comb等于二倍角aocod是角aob的平分线叫comd等于20度求角aob度数

关于幼儿英语教学在国外的情况幼儿英语教学在国外的情况主要指师资，教学方法和教材等方面的情况，在英美国家，或是新加坡和吧英语作为第二语言的国家 为什么世界上会有春夏秋冬? 世界上春夏秋冬是按什么区分的?世界上春夏秋冬是按什么区分的?是平均气温（如太阳高度、直射点）还是按区时（3月21日前后、6月22日前后等）划分的? 春夏秋冬的美文!各国的也行! cctv9纪录片播过的所有的节目 的节目表. That is the dog_______name is Henry.whose who whom which 英语翻译翻译全文： What's _ _ _(……的名字）your white dog is that ___dog?no.___is whiteA his his B her hisC he his D her her this,girl,cousin,is,your（?） 连词成句 what is（三个空）（.的名字） your white dog? 完形填空 She goes home _____her car.A.by B.in C.on 1.look at ______.she is very well 2.can you carry this bos upstairs by________3.you and she did very well in the test.The teacher said that he would praise___and_____4.the story_____was very god.but you are did not tell it well5.give jane this please 春夏秋冬有什么好处 春夏秋冬分别代表的意义 和感情有关的 1.There are so many people () the street.2.They are going to have a party （） the weekend3.We will leave for the airport at a quarter () five 4.His brother is () the most famous football team in England 5.As we know British English is a little dif they go up and down in a lift thy ________ a lift _________go up and down when are they going to have the party?不是be goingwhen are they going to have the party?不是be going to be呢 People go up and down in the lift = People go up and down _____ _____ . We go up and down the building___elevator What is he doing 和 What does the boy do 说明理由 CCTV9中央九台的英语怎么样?我还是跟不上他的速度,苦恼中…………怎么办? Example：what are they doing?The dog is swimming.(dog/swim)照样子,写句子.Example：what are they doing?The dog is swimming.(dog/swim)1.(bear/play chess)_________________.2.(cat/fish)____________________.3.(monkey/take pictures)________________ what...for?是不是等于why...what do...do to...是不是等于how...deal with... how to deal with what to do with 造句 tom and mike are the same age. they are in the same g______ I don't know ______.A what to do with it B what to do it with C how to deal with D ho...I don't know ______.A what to do with it B what to do it with C how to deal with D how to do with it who is the man?的同义句 what are they?的同义句 are they students?的同义句 his Tom cousin he is 连词请您说明为什么这样做? There is going to ( ) an evening party in our class next week. soft contact lenses这个药学名词是什么意思?是药学术语 there is going to have a party in our school单句改错 contact lenses ?Now I wear contact lenses! 这句话怎么翻译, contact lenses 什么意思 隐形眼镜 contact lenses 的英语解释我说的是英文翻译 例如 etiquette: normal and polite social behavior