投石机的简单小制作

几种常用的导课方法在化学教学中的应用 生物课堂教学中常用的几种导入方法 教师讲课都有几种导入的讲课方式? 国内的手机关机出了国,如果再给这个手机打电话提示音是,你好你所拨打的电话已关机,还是不在服务区 I would like a （b……）（c……）for my birthday. I like your present for your birthday.I like yoyr birthday for my birthday. l'd like a book for my birthday (改为一般疑问句 i'd like to do something s____for my mother on her birthday. Please care me a lot with your heart ,How long will you love me?这两句用中文怎么说? I love your love's heart for a long time 西点军校22条军规 I would like a toy bike as my birthday present.（同义句）同义句填空：I （ ）（ ）have a toy bike as my birthday present. i would like a toy as my birthday present.（同义句）i （）（）（）have a toy as my birthday presenti was born on the ninth of may.(同义)（）（）（）on the ninth of may. i,a,like,present,would,cd walkman,as,my,birthday. 我在你梦里是什么样子?用英语怎么说? I'd like a big cake ____lots of strawberries____my birthday party. i would like （ ）a birthday party. Jim goes to school by bike every同意句是什么?Jim_____ _____ ______every day Jim goes to school by bike every day.Jim ＿ ＿ ＿ every day.大家帮帮我补充好它.一定要正确的啊! 英语翻译帮我把这段中文翻译成英文（不要翻译软件）0 - 离问题结束还有 14 天 23 小时摘要：随着中国加入WTO后运营商之间竞争的加剧,网络的质量已经成了决定移动通信运营商命运的根本要 英语翻译" 他是英国人." 和" 他是一个英国人."怎么翻译?是否加冠词?He's American.和He's an American.这两句是否都对? 一道英语语法题,语法老师请进,1.Joe and Bob were the only other people who knew the secret _____ their wives.A.and did not even tell B.who did not tell请问为什么呢?那么 B为什么不对呢? 语法老师请进,1.The captian knew that _____ the only sttempt.A.his would not be B.it had not been.2.It was a ship which had been sunk many years ____ in fact found.A.that they had B.which was .上面的答案分别是A ,A .那么另外另外两 新三的一道语法选择题.语法老师请进,谢谢~!1. He insisted _____ the money before he left.A. that the assistant should count.B. the assistant to count.答案是 A. 请问为什么? 那么B为什么不对呢?请老师详细解释,谢谢 What would you like for lunch怎么念 中学英语语法题,老师请进.1.There _____ many tigers in Changbai Mountains.A,used to be B,used to have 2.I hear that you went to London last month,No,_____A,I had never B,I have never3.I wasn't surperised to hear the news at all A,So was I B, I don't like to i____________my English teacher to my birthday party this Friday横线中的填什么谁答得出，我就选谁的做满意答案。 she wrote many books 改被动态 she wrote many books改被动态 In her______（fifty）,she wrote a lot of books. i have two books.so dose she改写句子,句意不变 西班牙语中,Ｅl nino是金童的意思吗?