工业上铝土矿制备高纯度氧化铝工业流程

they came here an hour ago 改为同义句 they ___ ___ here for an hourthe dog died two weeks ago 改为同义句the dog ___ ___ ___ since two weeks ___ They came here in autumn.同义句 They ____ ____ here ____ _____. they came here as e__ students 悼念1937年12月13日南京大屠杀死难的30万同胞 用英文怎么说? they are going to beijing next month对划线部分提问（ beijing） （）（）they（）next month? They flew to Hong Kong They一to Hong Kong一一They flew to Hong Kong They一to Hong Kong一一 同义句 填空 1,At last he r--- he was wrong 2,The Smiths are going to t--- to China next week _____ _____ _____ ,the Smiths came to china.今年年初,史密斯一家人来访中国 In the last years, China has sent up many _________ satellites, _________ a weather satellite, a science satellite,a TV satellite and so on.A. man-made,includingB. men-made, includedC. man-made,containingD. men-made,including 在括号里填上适当的动词：He （）(visit)many places since he() (come) to China last year. mr.smith (visited) many places of historicl interest in china last year. a.came to b.wentc.called atd.call on 如图,某钢铁厂O原来有两条笔直的公路通向某大河的两个码头.经测量从钢铁厂O到两码头A、B的距离分别为OA＝60km,OB＝80km,两码头A、B之间的距离为AB＝100km,钢铁厂组织了专家经过论证,认为从钢 They go to Hong Kong by plane同意句 They will go to Hong Kong by plane o Sunday.（同义句转换）They will （）（） Hong Kong by plane o Sunday They take the plane to Hong Kong.（改为同义句） They go to Hong Kong _____ _____.They take the plane to Hong Kong.（改为同义句）They go to Hong Kong _____ _____.The journey will take us (two hours).（对括号提问）_____ _____ will 英语翻译 DId you help your mother clean your room yesterday?clean要不要加ed do you know when basketball was inventedIf you travel around China you will notice a very popular activity everywhere you go--basketball.This much-loved and active sport is enjoyed by many,for fun and exercise.The sport of basketball is a little over She （）fiy to Hong Kong next week 某种生物分类的所属类别,是依据什么特征确定的? 《升起心中的太阳》,作文,800字 He lend me a ruler last week.(句意不变) I　___　____　___　___　____last week. 根据首字母写单词He hasn't (r ) to me since I wrote to him last week.1.He hasn't (r ) to me since I wrote to him last week.2.She thought it for a long time and made a (d )at last.3.Since my sister started high school ,her （d ） life has cha he has left school since last week改错 想找一部明朝的武侠电视剧,里边有魏忠贤,还有一些他的下属,有的代号叫“刀子”、“影子”,还有一个叫“蝎子”等的属下,请问该电视剧叫什么名字? __ she __(help) her mother do the housework now? She often ____her mother A.help B.helps C.helping 生物分类的依据和意义是什么 生物分类依据生物分类的依据是什么、、、 自上周来,我一直很忙.I _ _ _ since last week. a week ago 和since last week 的区别 How will you go there?How are you going there?两句都对还是有一句是错的?