一次函数斜率k的公式

用括号中所给的动词的适当形式填空：Tom and his sister ___ (wait) for you over there The man____(call)himself Tom is waiting for you.说明原因 2011年山东12月份会考语数英考几天? On the teacher's desk is our English books.我们的英语书在老师的桌子上.这里的is 是不是用错了?is应该改为are吧? 书桌上有堆书there are a pile of books on the desk为什么不能写成there are piles of books on the desk not,is,my,it,backpack 连词成句 my not ruler is it 连词成句 我得了24分,英语作业来着,我得了24分,求翻译那个24不用翻译么、、、 亲们帮我查下英语作业,没写的教我下 如何把skate begin cycle climb share see 这六个单词改成现在分词? millions of有这个用法吗?请详细解答millions of 、million of、million、millions的区别 there books desk are Lily's on any是问句 拜托推荐一些纯正英式发音的电影必须是纯正英式发音的有剧情的,不要动作片能用迅雷下载那就更好了 在句子开头用动词作主语时,为什么有的用to do 的形式,有的用ing的形式? "Anything else","Something else","Notthing else","Everything 我不会做英语作业能帮我么? There're some books in the desk.对some books提问There're some books in the desk. 对some books提问 （ ）in the desk. 2014年12月六级作文怎么写 2014年12月六级作文哪个最难 do you have some light-weight packs?i am going hiking in the mountain?怎么翻译 Last Sunday Tom took with his friends,___ ,to the World Park where they enjoyed themselves very muca.included meb.me includedc.me containingd.contained me选哪个,为什么? 中国有几个省几个城市?加拿大,法国,德国,澳大利亚分别有几个省? 翻译：My winter holiday plan My winter holiday. my plans for the winter holiday 翻译 翻译英文we are having winter, but no winter holidaywe are having winter, but no winter holiday, unfortunately haha we have about a foot and half of snow on the ground now and it's cold. we don;t really have a spring festival. Easter is i There are some books on the desk.(改为一般疑There are some books on the desk.(改为一般疑问句） 谁给我推荐一些英文歌曲,我想学英式英语发音,要练习听力, (YangLin ) visited her parents last Sunday.(对划线部分提问）明天交 去散步（英文） 去散步的英语 求这一题答案 第一题的答案