一年级下册品德作业本答案

单烯烃和双烯烃有什么区别 不同单烯烃的共聚反应,单烯烃跟二烯烃的共聚反应 这两个能各举一个反应例子么 ph多少是碱性 ( )的黄河 写特点限三天之内 there was no school last week.jim did lots of things . 名词的复数 请问名词复数是什么 little,a bit,a little bit,a bit of与a little of的用法! Lucy和Lily一样聪明（翻译成英文） I ate some noodles { } lunch today框框选项排除之后有 两个 for 和at! I Hod a Good Time Last 冻结是一种怎样的物理现象? 喻雪的诗句?除了(千树万.) What other things did you do last Sunbay?(同义句改写）What( )( )you( )last Sunday? 一个人从A到B地,去时速度为xkm/h,回时速度为ykm/h,则这个人往返的平均速度为( )A.(x+y)÷2km/hB.(2xy)÷(x+y)km/hC.(xy)÷(x+y)km/hD.[2(x+y)]÷(xy)km/h lucy and lily won't come back home fefore eight ,__ ___ 反义疑问句 At last they a some food.At last they a________ some food.......... They're buying some food and drink.(变为一般疑问句) a lot last they eggs week of bought(连词成句) 某酒店客房部有三人间和双人间客房,收费标准是三人间每天每间180元,双人间每天每间160元,国庆期间,团体人住五折优惠,一个50人的旅游团队优惠期间到该酒店入住,住了一些三人间和双人间 bill bought a car last week 画线部分提问（a car 是画线的部分） They ___ some food for a picnic. I bought a lot of_(decorate) last Sunday. 一段山路,下山的路程是上山的2倍,某人上山的速度是下山速度的1/3,如果此人上山共行xkm用时3h,那么此人从出发到到达终点的平均速度是多少km/h My parents like __pizza,but I like pizza with__.My parents like __pizza,but I like pizza with__.A.mushroom and cheese,onionsand tomatoes B.mushrooms and cheese,onion and tomato C.mushroom and cheeses,onions and tomatoes D.mushroom and cheese,onion an l ate a hamburger yesterday evening.改为疑问句 He___a hamburger yesterday rode、ate、went、sent答案是什么? 万事不如杯在手,今生几次月当头?” 万事不如杯在手,一生几见月当头 它的含义 we ate hamburger and chips 对hamburgerandchips提问 “万事不如杯在手,一生几见月当头.”的出处?是出自 明•董其昌 ,还是 何良俊《四友斋丛说》【明】福王楹帖? 万事不如杯在手,一生几见月当头 问月当头的具体时间要的是月亮挂在头顶 看不见自己影子的时间据我了解一年也就是一两天的某个时间段 月亮会在正头顶 换句话说 一年当中哪天的哪个时