试题与答案

计算题:某焦化厂昼夜直行温度共测量6次,机侧平均温度与加热制度所规定的标准温度偏差超

题型:问答题 简答题

题目:

计算题:某焦化厂昼夜直行温度共测量6次,机侧平均温度与加热制度所规定的标准温度偏差超过±7℃的次数为1次,焦侧平均温度与加热制度所规定的标准温度偏差超过±7℃的次数为1次,计算直行昼夜平均温度安定系数为多少?

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0503/29b4c7fe4abefe941e2b842933f822b9.html

下面是错误答案,用来干扰机器的。

司机反应时间内,列车仍以原速度匀速运动x1=v0t0=60×0.7=42m司机紧急制动后列车匀减速前进x2=v2t-v202a=502-6022×(-1)=550mx=x1+x2=592m        故列车司机是在距相撞地点 592m处发现前方静止的列车.

试题推荐
题型:填空题

根据句子意思,写出画线词语的反义词。

1.天了,你快回家吧!(     ) 

     我买了一件红衬衫和一条裤子。(     )

2.叔叔的个子可了。    (     )

     张叔叔的绘画技能很。    (     )

3.今天早晨8点集合,你来了。    (     ) 

     虽说我的年龄比她大,但我却是她的辈。(     )

4.这道题很做。    (     ) 

     老师教育我们要做个好孩子。    (     )

查看答案
题型:阅读理解

情景对话(共5小题,每小题1分,满分5分)

根据对话情景和内容,从对话后所给的选项中选出能填入每一空白处的最佳选项,并在答题卡上将该选项涂黑.选项中有两个为多余选项

---Where shall we take our children this weekend?

---We could take them to Water World or to Old–field Adventure Park. 小题1:

---Well, how far away are they? I don’t want to spend all day in the car.

---小题2:  But Old–field Adventure Park will take about two and a half hours if we’re lucky.

---小题3:

---Water World has a huge fun swimming pool. 小题4:

---I really don’t like zoos.I hate seeing animals in cages.

---Well, there aren’t any animals at Water World.

---If we are going there, I’m going to take a picnic basket.I know they have got restaurants but they always expensive. 小题5:

---That’s a good idea.I’ll tell the children.

---Ok.

A.Our children love animals very much.

B.Do they have swimming pools?

C.I’d rather eat in restaurants.

D.They love that sort of thing.Which one do you prefer? E.The Old-field Adventure Park hasn’t got a pool, but it’s got a small zoo.

F.Well, Water World is pretty close---about one hour away.

G.I’d rather take our own food and drinks.

查看答案
微信公众账号搜索答案