放屁多是什么原因

改错：My elder sister has studies physics since eight months My older sister=My elder sister?两者都等于 我的 是姐姐? My older sister是什么意思 为什么有older sister的说法,还有elder sister的说法? 英语翻译 魔方公式口诀请叙述清楚, 五星红旗代表什么 1.___ went to the ball last saturday night?A.two of B.both of C.both of the twins Is Lucy ______of the twinsA.youngerB.olderC.the olderD.the young Neither of the twins___it.A.like B.likes语法是什么? how time files什么意思 A+B Problem Time Limit:1Sec Input File:aplusb.in Calculate a+bInputthe input will consist of a series of pairs of integers a and b,separated by one line.Each integar may consist of less than 79 digits.Output For each pair of input integers a and byou We Can Work It Is Amy younger than Sam? it is a good beginning to help those who have trouble climbing stairs The government passed laws to prevent agricultural land _______ to industries. What happens to a bill after it has been passed by the government?请翻译 the government has passed a law to ban people from pouring waste into riwers句型转换the government has passed a law__ __ __ __ waste into river the government has begun several programs to answer them.这句话中的several programs应怎翻译?如翻译成“一些计划”,好象好怪哦! 文曲星E700数码辞典学英语怎么样? 汉译英 我认为物理和化学一样重要.I think physics is ___ ___ ___ chemistry. 让我走进你的心里.用英文怎么说 为什么是it is good/bad manners to do sth.manners不是复数嘛?什么时候单复数出现不一致的特殊情况?类似的固定搭配还有吗？多谢指教^^ work的汉语意思 这里为什么用good manners 而不用a good manner?before entering a house in some Asian countries,it is good manners to take off your shoes. 你永远在我心中不曾离开用英文怎么说 work是什么简单意思 儿歌水果娃娃,我想要这首歌的MP3,跪求水果娃娃的MP3,歌词大概： 给你喜欢的水果编一首儿歌吗 下列句子中均有一处错误,请指出并改正. Mary is very younger than her下列句子中均有一处错误,请指出并改正.Mary is very younger than her brothers A:very. B:younger C: than D:herI am quieter and serious than most kids.A:qu 1949年国庆大典中,天安门城楼上毛主席左手旁那个胡子很长的老人是谁? It is ___for him to show good manners to others(possible)