典型的()带钢热连轧机粗轧机组有6架轧机,串列式布置,每架轧机轧制一道,无逆轧道次。 发布时间:2019-02-14 23:38 │ 来源:www.tikuol.com 题型:单项选择题 问题: 典型的()带钢热连轧机粗轧机组有6架轧机,串列式布置,每架轧机轧制一道,无逆轧道次。A.半连续B.3/4连续C.全连续D.顺列式
题型:单项选择题 There’s a big supermarket called Jiahui in our city. It’s very 46 to find. It is in the center of our city. It’s 47 the bus stop and it’s also very easy to take a taxi, too. The supermarket is big 48 nice. It 49 at 8:30 a.m. and closes at 10 p.m. So every day, lots of people go 50 at it 51 work. You can buy 52 , drinks, clothes, shoes, vegetables,…and stationery there. The workers at the supermarket are very 53 . So many people like shopping there.At the weekend, people don’t go to work or go to school, so there are 54 people shopping there. We must 55 our turn a long time to pay for what we buy.小题1:A.hardB.difficultC.easyD.good小题2:A.inB.nearC.at D.between小题3:A.butB.orC.andD./小题4:A.openingB.openC.is openD.to open小题5:A.shoppingB.swimmingC.runningD.shop小题6:A.atB.toC.afterD.with小题7:A.dogsB.foodC.catsD.nothing小题8:A.busyB.wellC.niceD.tired小题9:A.too manyB.too much C.a fewD.some小题10:A.seeB.look atC.look forD.wait for 查看答案
题型:单项选择题 某商场开业庆典时,店外挂的氢气球因人群拥挤而被挤破,遇上点燃的香烟,引起爆炸,并引发邻近一串氢气球爆炸.迅速掠过的火苗烧了一些顾客的头发,并浅度灼伤20多人的皮肤.请简要回答:(1)以上事实说明氢气具有什么化学性质(用化学方程式表示)______.(2)某兴趣小组在进行探究时,试验用相对原子质量为4的稀有气体氦气,作为大型升空气球的气体,其原因是:①______,②______. 查看答案
题型:单项选择题 氧化铜是一种黑色固体,可溶于稀硫酸。某同学想知道是稀硫酸中的哪种粒子(H2O、H+、SO42-)能使氧化铜溶解。请你和他一起通过图中I、II、III三个实验完成这次探究活动。 (1)你提出的假设是______________。(2)通过实验I可以证明____________。(3)要证明另外两种粒子能否溶解氧化铜,还需要进行实验II和III,在III中应该加入_____________。(4)探究的结果为____________,你认为除实验II和III所用的试剂外,还能够溶解氧化铜的另一种常见物质是______________。 查看答案
题型:单项选择题 读下面一则寓言,概括其寓意。 一个小男孩问上帝:“一万年对你来说有多长?”上帝回答:“像一分钟。”小男孩又问上帝:“一百万元对你来说有多少?‘’上帝回答说:“像一元。”小男孩再问上帝:“那你能给我一百万元吗?”上帝回答说:“当然可以,只要你给我一分钟。”寓意:____________________________ 查看答案