形容路面干净

1、在ΔABC中,∠ACB=90度,AC=BC,直线MN经过点C,且AD垂直与MN于点D,BE垂直MN于点E.在ΔABC中,∠ACB=90度,AC=BC,直线MN经过点C,且AD垂直与MN于点D,BE垂直MN于点E.（1）当直线MN绕点C旋转到图①时,DE=AD+BE 吗?说 -() you invite Mary to your party last week?-Yes.（）,she didn't come.A.did；but B.do；howeverC.were；butD.did；however tom,you didn"t come to the party last night?I ( ),but i suddenly remembered i had homework to doA had to B didn"t C was going toD wouldn"t请问括号里选什么以及为什么 Why didn't you come to Simon's party last night?I want to,but my mom simply ( )not let me out so late at night.A.couldB.mightC.wouldD.should选择哪个好像每个都不是很对啊~麻烦讲下原因 赞美一个女人的词语夸奖 赞美女人的词语有哪些 赞美女生长得很漂亮 的诗句,词比如：人面桃花印相红.这样的句子,就是赞美女生很漂亮的诗句,或者词也可以.一点要有文化内涵 关于我们班级的作文,600字左右的.我刚刚入初中.急! 理解,沟通,合作,团结,记叙作文 600字作文,开头结尾要好,要记叙文,议论文也可以,不要超过上海世博会太大范围,600字就可以,只要开头和结尾就行，不用太精辟，符合中学生的写作水平就可以 一天背200个单词 背到什么程度呢?我背单词 不背怎么拼写,就背到,看到这个单词能记得什么意思就行了 这样可以么? 有没有一天记1000 个单词的办法?急 一天背200单词要花多少时间 一天最多只能背200个单词,如何才能达到10000以上? 一天背记几个单词比较好?有什么好方法掌握几千单词. you didn't come to the party last night?-yes,i did.这个回答表示 参加了还是没参加?怎么看?那么否定回答 是不是就是 no ,i didn't? 将下列主动语态变成被动语态:They didn't invite him to come to come to the party . They invited us to go to the party.H___we didn't go. 心中有爱 作文要写关于自己的文章500字开头和结尾要美 — Did you watch the football match last night?— Yes,that’s a most close one,l— Did you watch the football match last night?— Yes,that’s a most close one,and eventually neither could defeat ____.A.both\x05\x05B.the other\x05C.another\x05D. -Did you watch the football match last night?-Certainly.It was the most exciting football match I have _________watched.A.never B.seldom C.already D.ever为什么不选A? 1.Did you watch the football match last night?Yes,I did ,It was ___,and I enjoyed it very much.A alive B live Cliving D lively2.If you live on the top floor of the building,you can get a good ___A sight B scene C view D look3.The room is ___ too smal Did you watch the football match last week?No,who__(get)the goal? 所给词适当形式填空：Did you watch the football match last week?No,who__(get)the goal? 以“E”打头的英语单词有哪些? 记事作文600字 要优美的! they went to see a play last week用 last week提问 They borrowed it last week 变同义句They ____ _____it since last week 横线上填什么词啊 They were in Beijing last week (对 last week 提问）_____ _____ _____ they in Beijing? 写我最爱的花作文600字 why didn't alice come to the party last night? I don't know why she didn't解释一下语法 赞美女生的语句最好诗句,古文,或者是成语,次之是四字词语.越多越好! 五一班的张老师再一次数学课中出了一道题,规定做对的2分,没做对0分,做错倒扣一分.五一班46名同学中至少有几名同学的成绩是相等的?(要非常详细的）