初中数学辅导

are they behind the grapes?的否定回答 原句They are behind the sofa.怎么针对behind the sofa来提问 泊秦淮描写了哪些景物 x与y都是自然数,证明：x^2+y+1与 y^2+4x+3的值不能同时都是完全平方数 用反证法如何证明:不存在自然数x、y,使得x的平方加y和y的平方加x都为完全平方数. In the corner of the office ___with a pile of papers on it.A a desk stands B does stand a desk C does a desk stand D stand a desk 选什么? 甲乙两数之比是3:4,甲数比乙数少六分之十三,乙数是多少 Once a man named Grant found a box of old papers in a room at the top of his house.He burnt most of them,1 he did not like old things 2 .But one of these papers was an old letter.3 the bottom of the letter was the 4 of a well-known writer.“When the 泊秦淮是写的什么地方 《泊秦淮》谁写的 they stab it with their steely knives还是they stabbed it with their steely knives如题 I have alrealy heard of such a thing before的否定句I ------ ------of such a thing before -------. —You look so lucky.—What do you mean __________ that?—What do you mean __________ that?A.forB.inC.of 古诗 泊秦淮 灯笼寒水月笼沙,运用什么修辞描写景物具有怎样的特点? the students found that all her homework was __than she__in her old schoolThe student found that all her homework was_____ than she_____ in her old school.A. less heavy, used to get B. less heavier, was used to gettingC. less heavier, used t ( )from endless homework on weekends,the students now find their own activities,such as taking a( )from endless homework on weekends,the students now find their own activities,such as taking a ride together to watch the sunrise.A.Freed B.Freeing C.To what do the left-behind children usually do at school什么意思 she has a happy smile与she wears a happy smile 哪个正确 have a good time doing后面接分词短语作定语,为什么不能接动词不定式? 描写水清澈的几段话越多越好,别重复最好加上侧面描写 描写水的好句好段 至少要初三水平 描写水清澈的古诗句 I don't think you are bad.的反意疑问句是就 "I" 提问还是就"YOU " 提问? I was in charge of grading all the problem sets that were assigned as homework 翻译 Describe the differences between the role of a mentor and a coach. I was in charge of grading all the assigned homework.I never had trouble [doing] it,为什么是doing it? The organization that is in charge of all the travel agencies in China isA.CNTAB.CITSC.CTA Few of us thought that the problem was worth _.discussdiscussingdiscussedto discuss给出正确答案,理由并翻译 My hero is Lin Dan.（改为同义句） My friend alaways help me with my homework.（改为同义句） （will）（back)(shanghai)(to)(go)(i)(friday)(on)这些英文单词拼成一段话.都要用上，为什么要这样，back在这的意思 Do you think i know or don't know you know or don't know? 猜猜神马意思 But you don't know how i think