Y=根號2x-5分之2x 1加根號5-3x分之2x 1=1

粤语里吹涨和颠过鸡的意思 电子烟在禁烟的范围之内吗?什么是电子烟? 电感镇流器骨架是什么材料,耐热可以达到多少度 what is the difference between WHILE and WHENplease give in details! what time 与when的区别当what time和when同时出现在一个问题中,是问几点,用哪一个? what's the difference between'over a period of time'and 'during a period of time'? 北京少儿英语好吗?；；；；； Could you ---- a message----him?( B) A.take,to B.give,to C.leave,from D.give,for为什么不能选A,而选B?把理由说一下.讲一下. .-Could you please take a message for him?-Could you please take a message for him?-_______please.I'll have to get a penA.Get onB.Hold onC.Turn onD.Put on could you ( )a message ( )him?a.take to b.give to Can I take a message for him? 怎么理解Can I take a message for him? 我能给他捎个口信吗?看到一个英语资料上的例句,我记得 take a message for sb 是为某人捎口信 take a message to sb 是给某人捎口信那这个 Can I take a message for him?（保持原意）Would you ___ ___ to take a message for him? 现在实行的是12年制义务教育吗? 义务教育十二年制真的要实施了吗?看别人发的说说,说是从下一届开始,我也不清楚,四川地区的,到底是不是啊!1 can i call you back at two o'clock this afternoonI am sorry but by when I ______ to Beijing How about five?为什么要用will be flying 而不用am flying 【一道选择题】-Can I call you back at two o’clock this afternoon?-Can I call you back at two o’clock this afternoon?-I’m sorry,but by then I ___ to Beijing.How about five?A.fly B.will fly C.will be flying D.am flying为什么不选B或D I'll ask him call you back this afternoon改错 广东话：力细鸡够大come仔,是什么意思?求解释 怎么用what time造句,并回答 how long与what time 有什么区别 造句：What a How beautiful I spend How long How soon use water for How long.How soon.What time有什么区别?用法是怎样的? 什么时候12年义务教育制 什么时候实行12年制义务教育 来见我英语怎么说 目前北京比较好,比较负责的少儿英语机构有哪些? I would appreciate it___you call back this afternoon for the doctor's appoinment.A.until B.if C.when D.that.为什么不选D?请解析并翻译, 如何用英文介绍风景啊?比如泰山 请问槐树用英语怎么说?谢 .in ma home.i would like to invite you to join this party .piease call me. Would you like ________ this afternoon?A.go shopping with me B.to go shopping with me C.to going shopping with me Who e() would you like to meet this afternoon