400v作业风险控制卡

Children___piaying games____. A.are,happyB.is,happilyC. are,happilyD. is,happy tana+seca,难题!求证：tana+seca=tan（a/2+π/4）. 风萧萧兮幕夜无眠 雨撒撒兮情已分飞 吾心痛楚不甚寂寥 哀声思力失竭 与君虽分奔离西 然无时刻不念君 悲呼 惨呼 吾对君之心 日可鉴 月可证 桂花树下吴刚感而无力伐木 月宫泣声凄凄 情已 Trouble,trouble,trouble,why can not find one can say that the minds of the people 为什么in fact 用在句首 in effect 是什么词性例句一 The rule is still in effect.本规则仍然有效.这句可以理解,in effect 作为短语.下面这些例句是国外的一些新闻网站上看到得.他们的用法怎么像动词?France's Burqa ban in effect ne in fact和on fact的区别 permission和uses-permission的区别 :Lucy,you got up so early.:It's pleasure you're up early today翻译成中文是什么意思 为什么是in fact而不是in facts 化简cosa +sina*tana-seca数学问题 sec2A-sec2A×（secA)^2×(sinA)^2-(tanA)^2 化简 make后面什么时候加动词原形什么时候加过去分词 make后面是加动词原形吗 如图31题 what are the ideas of these birthday foods?是什么what are the ideas of these birthday foods? 世界上最帅的男人 I ( ) the girl playing.A.see B.look C.read D.watch What the date today?改错 Do you ()newspapera in the evening?A.read B.see C.watchThat will ()fun!A.is B.are C.be What () Mike going to do this evening?A.does B.is C.are make 后加动词什麽形式 There was a police next to him讲解一下next to him 我是不是世界上最帅的男人? The apples in the box mine. A.is B.be C.have D.Are 求英语高手划分句子结构,具体分析一下句子,谢谢!President Obama has promised to do whatever is necessary to protect Americans abroad as protests against a film seen as insulting to Muslims spread to US diplomatic missions across the 做肯定回答:Did there be a heavy rain in Beijing yesterday afternoon?请简要地回答 how,is,old,Nancy 英语连词成句拜托了 The girl behind _____(he)is Nancy. 分析一个句子结构（关于as well as）.John plays football as well as ,if not better than Davird.John若不比DACIRD更好,也和他一样好.是我抄错了吗?若不是,那as well as 后面省略宾语是什么结构? 有什么英语课外读物是一页是英文另一页则是中文的?最好是文章,容易买的,多介绍几本额!呵呵… 学高中英语最好的途径是什么?背单词?背课文?题海?看英文读物?还是其他?（我英语成绩从小学就一塌糊涂,到底怎么办才能有效地提升成绩?另注:我对数理化生兴趣高且成绩好,做了高考难度的 mike's house is behind his school.的同义句