波长550nm的单色光垂直

He farmer rice _____(grow) in the south of China.They many trees ______(plant)in our school yard last years. 我要提问题用一根36厘米长的铁丝,做成一个正方形的框架,它的棱长的总和是多少 Matrix Velvet Cover white中文是什么意思? dress sb in还是on +衣服 请问印刷中的10pt Coated one side cover 和 60lb white offset text 指什么 Please pass him the book () cover is whiteA.that B.which c.whose D.whoAB为什么不可以 on,dress和be in 都为穿着有何区别,请举例说明 I bought a storybook yesterday ____ cover is white.这个题的空里要写whose,为什么? dress wear in with put on有什么区别当在穿衣服的时候表示有什么不同说明用法,比如PUT ON 是指穿衣服的动作并举例!那IN "Rice is grown in the south of China."一句中的"is grown"是什么时态?我怎么从没见过? rice is grown in south china改为主动语态 Rice____in the south of China.A,must grow B,is grown C,grows D ,grew为什么选B,不选C 日字头,下面一个立字,怎么读? 三点水加个立字念什么? 英语四级复合式听写种的长句是该按原句填写还是按大意填写?按原句填写会更简单 且没有语法错误,但大多时候跟不上速度,自己填写时候经常会忘记已经听过的句子的大意,最后都没做好. 用一根长48dm的铁丝做一个长方体的框架,使它的高为6dm,长、宽的比是2:1.再把它的六个面糊上纸,做成一个灯笼,至少需要多少平方分米的纸? 如何计算不确定度 把there are about 1,600 pandas in the wild in china 改成疑问句 英语在线改错This pair of shoes look very nice. This pair of shoes look very nice.为什么不是looks? This pair of shoes looks very nice.中为什么要用loThis pair of shoes looks very nice.中为什么要用looks 告诉我用英语怎么写 谢谢用英语怎么写?告诉我 告诉我你在想什么 的英文怎样写? be,this,nice,pair,shoes,of(?)怎么组句 某函数y=kx的图像过点（3,—2）则这个函数的表达式为 已知函数y=kx+b的图像经过点（1,-1） 且k：b=-3：4 则该直线的表达式为 英语I would like to talk about holidays in China【改为一般疑问句】 vb算术表达式中平方怎么表示? 求助修改英语信这是模板.希望修改下面的段落.只要大致上意思相同就行了.应为不能使用原文谢We regret the inconvenience that has beencaused to you.We hope you will be satisfied with the arrangement we have madefor yo 英语书信修改.Excuse me for my delay in answering your letter,because I have prepared my final exam last week,in fact,to become an excellent radio announcer is my life goal ,ever since junior high school .I have dream about that I’d like to tr 帮忙修改一下这封英文欢迎信Dear Mr.or Madam.,It is great pleasure to welcome your patronage of Beijing **** Center.It’s really is a good chance for all of us to communicate directly.You’ll be with many congenial people here,and I’m