高二数学寒假作业

实验一小组织804名学生到省博物馆参观兵马俑展览,把学生分成4路纵队,相邻两排前后的距离是0.5米,队伍平均每分钟行走50米,现要过一座长500米的桥,从排头四人上桥到排尾四人离开,共要多少 (m一n)2(一m+n)3的值为 河马与棕熊打起来谁将是胜利者?假设因为自然的变动,棕熊与河马在一河边发生了冲突的话,谁将是这场残酷角斗的获胜者? 棕熊吃什么 我们吃桃子的哪一部分 我们吃桃子是吃的它什么为什么 英语翻译Do you ever feel like a sheep?Sheep always follow each other and never really think about where they are going.Perhaps fashion makes us into “sheep”.Maybe we should find our own way and not follow the crowd.Everyone wants to wear top 桃子怎么吃最正确? —Is that your watch?—No,I can't tell____ A.whose that watch is B.whose watch is 为什么不选B呢? whose pencil is that?怎么回答?that is还是?老师好像说是it is的. let's draw with markers. Let us draw some pictures with markers.改成正确的句子 "Let's to draw some pictures with markers."哪里错了? like pandas a lot.(改为否定句)怎么改? I like apple a lot 改否定句 这个英文信怎么回复?thank you so much for your time...i do really appreciate it.i hope one day to go to china and to see how hospitable you are...i hope you can send me more few words that are commonly used...like some adjectives,and more phr 在线等待,英文信回复有个国外的客户在我这里订购了一件礼物,我已经及时为他送到,他很满意,给我写了一封EMAIL,内容如下,希望高手指点,应该怎样回复.非常着急,在线等待.Dear friend.I wanted to t 怎么回答这个英文信“I am interest with the Solar Water Heater products and like to visit your company between 27 to 21st July.”我想回复的大概内容是十分欢迎他来参观我们公司,哪位朋友帮忙用英文写下啊喂， be used to do sth.否定形式是什么?也就是说,didn't used to do 还是didn't use to do he used to be shy 一般疑问句两种,肯定回答,否定句 Can you draw a picture _ me?A.with B.at CCan you draw a picture _ me?A.with B.at C.for B.in go with me是哪首歌里的 英文 used to 的疑问句,否定句是怎样的? we are used to 怎么改一般疑问句还有否定句和反意疑问句还有my sister is used to piaying basketball she is used to piaying basketball they are used to piaying basketball my brother used to piaying basketball 350字作文,大海,船,蚂蚁和巨人想象作文, 求：用蚂蚁,巨人,大海,船编一篇想象作文.急...400字 船和海的想象作文 求有关“船与海的辩证关系”的作文800字以上! 鲶鱼籽有毒么 4、填制下表：产量Q TFC TVC TC MC AFC AVC ATC 1 100 50 2 30 3 40 4 270 5 70 请问鲶鱼籽有毒么,能不能吃? 鲶鱼籽能吃吗