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Seeing For The Very First Time 歌词 He r-----likes reading .He is a member of the reading club. He is in the Rwading Club改同义句 半元音前the怎么发音 have had . 和have done . had done . 和 have been doing . had been doing ,和have been +adj . 区别总的来说 就是 have 后面 和had 后面 的各种搭配的 不同. 求高手解释... 我现在在国外上学. 英语作业特别难 .而且 请问maya mel中 cos函数是怎样计算的各位大神都没有具体说明这个后面的结果是怎样算出来的啊,如果它只是比值那为什么会产生具体数字的结果,菜鸟啊,救助 have been 函数cos(mx)^2的原函数是什么,怎么算如题!更正...是cos^2mx 关于have been+adj的疑惑!The responseof the world community-and not least Australia-to the heartbreaking tragedy( `has been swift and generous)高手帮忙从语法角度解释一下括号里的have been+adj的意义,顺便翻译一下本句意 Amy s a member of the Reading Club.同义句虽然我好像做过，但是…………忘了 This is my homepage,it's very poor,Now,because it's my first homepage. Sandy is a member of the Reading Club.改为同义句 Sandy () () the Reading Club. because it is my first time _______( to eat food ) Sanday is a member of the Reading Club 改成同义句可以是Sanday is in the Reading Club Danyang has changed a lot over the years 的同义句There ______ _____ many ______ in Danyang over the years Hong Kong has changed a lot over the years同义句这句的同义句是什么?给的填空题：There ＿＿ ＿＿ ＿＿ ＿＿ in Hong Kong over the years. my hometowe has changed a lot over the years 的同义句____ _____ ____ ___ ____to my hometown over the years____ ____ ____ ____ ____in my hometown overthe years This place has changed a lot over the years.There have____ ________ ___ ____this place over the years. 函数计算 根号3*cos^2x?函数计算 根号3*cos^2x为什么等于根号3/2*(1+cos2x)? 求过程 谢啦 原句：Ten days has passed.问：为什么days后用has?名词本身以S结尾，其谓语动词应用单数形式但我没弄懂这是啥意思 The rain has lasted several days 这句中has lasted有问题吗? Several years has passed since we started our middle school life.这里为什么是has passed?several years不是复数形式吗,为什么不是用have passed our city has changed a lot over these years 如何改写成 there----in our city over these years Our school has changed a lot in the past two years.（同义句转换）There _____ _____ great changes in our school in the past two years. China has a much population than that of Russia.China has a much( ) population than that of Russia.括号中填larger还是more,我用的是large，可是英语老师说用much more时表示人口多于哪个地区，大家能不能给我一个有力 Canada has a much s____population than China,though it is a little larger in area. 将以下文字翻译成英文春节是我国一个古老的传统节日,也是全年最重要的一个节日,因此春节的习俗也多种多样.因为相传年兽怕红色,怕火光和怕响声,所以人们便有贴春联、放鞭炮、敲锣打 英语翻译有你的时光很温暖.不管分开多久都要再见.我会记得我们所有的好时光,记得你.不在乎分开多久,只要还能再次拥抱,我据恶的没关系.我等你回来.我一直等你回来,把时光变得长久.在我 My home town has changed a lot and is quite different from( )A which it used to be B what it used to be 为什么?用what 不用which? My Home Town My home town is a beautiful place.It stands beside a wide river and is rich in fish aMy Home Town My home town is a beautiful place.It stands beside a wide river and is rich in fish and rice.But in the old days it was a poor and backward great()have taken place in my home town in the past ten years.It's getting more and more beautiful I found my home town completely (changed )请问（1）changed作宾补为什么是过去分词,（2)如果看为found的宾语从句,又该填什么,是否需要使用完成时.