求微分方程通解

在信用证中有一项是payment：lc at sight, in one‘s heart 和in one ’mind区别 in one's mind＆on one's mind,把它们俩搞混了 1.there __much traffic in the street.A.is B.are 2.the shop is very _in the day A.noise B.quiet ↓C.noisy D.nice3.今天交通拥挤there __ __traffic on the road what do you usually do?是什么意思?中文的 what do you usually do onweekends中文 why you send to me? 请给我发邮件 是用 send emails for me 还是 send emails to me? What's wrong with you bike?的同义句是什麽?英文的 feel free to send email to me是说可以发邮件给我的意思吗放在信件的末尾是不是属于客气的套话? The teacher didn't tell me what was wrong with him.其中 what was wrong with him怎么不要改成 what wrong with him was老师没怎么细奖 sb be blind in one eye 某人眼瞎了? in one's own 解释就是解释,明白吗?解释 how did you spend your weekend英语作文200词谢谢 A nice weekend英语作文 He can ____(watch TV) at the weekends I always()at weekends.I want to watch TV.The twins()singing.The museum is far from here.You can go().What's that()?It' a basketball.I will go shopping tomorrow and I'm going to buy().选项：by taxi,stay at home,are good at,in English,a pair of shoe I'm very excited __ the idea of traveling to Shanghai.A.of B.about C.on D .for the students got ------- having a seven day,s holiday 横线处应填excited 还是excited about说明一下为什么呗 many children are excited about the idea of have a cat or a dog 这句话有语法错误嘛 推荐几部类似《阳光姐妹淘》,《奇怪的他》的电影 Student1:___do you watch TV?Student2:Every Sunday afternoon.A.How long B.How soon C.How far D.How often 如何提高镁合金的耐腐蚀性 如何提高钢的耐蚀性 铝镁合金耐腐蚀吗?铝不是两性金属吗?我觉得酸碱都能腐蚀啊! Our aunts and uncles will be there.对Our aunts and uncles 提问.（）（）be there There is a big g() in our school.And we often read there.填什么 求双重含义的单词,比如像miss这样的单词还有那些,一个意思为错过,一个是想念.要意义深刻点的,不要bank 银行；河堤 这种没多大含义的 为什么做出的戚风蛋糕冷却后中间塌了第一次做,用的是君之博客里的配方,鸡蛋5个,面粉85克,油40克,牛奶40克,糖90克（60克分三次加在蛋清里,30克加蛋黄里）,操作过程按要求进行,8寸的模具,君 戚风蛋糕做出来很薄是怎么回事啊? I watch TV on weekends改为一般疑问句 sunny