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"梯子"相关考试题目
1.
People in Norway are the happiest in the world. That finding comes from a report which came out this week. It shows Norwegians are happier than people int over 150 countries. The 2017 Word Happiness R...
2.
梯子是电工在高处作业的常备工具。 在单梯子工作时, 梯子与地面的夹角应在多少度左右?()。
3.
梯子的最高()层不允许站立作业
4.
井下探放水在()度以上的倾斜巷道要设梯子和扶手。
5.
Grace was going to have a test. She studied hard, but she was still worried, because she was not good at math. “Wow!” said Adam. “You walked under a ladder( 梯子 )!” Grace looked at Adam and asked, “So ...
6.
硬质梯子的横档应嵌在支柱上,梯阶的距离不应大于40cm,并在距梯顶1m处设()标志。
7.
梯子按材质分为:()
8.
手持木竿、梯子等工具通过接触网时,须(),不准高举超过安全距离。
9.
硬质梯子的横档应_____支柱上。
10.
梯子按材质分为:()
11.
梯子筋只有竖向梯子筋。
12.
梯子是电工在高处作业的常备工具。在单梯子工作时,梯子与地面的夹角应在( )左右。
13.
It was Saturday yesterday. I had no lessons. I got up at six. After breakfast,I went to a farm by truck(卡车) with my classmates to help the farmers with apple harvest(收获). As soon as we went there, we ...
14.
梯子的底宽不得小于()CM。
15.
有一长5m的梯子,靠在垂直的墙上.设下端沿地面以3m/s的速度离开墙脚滑动,求当下端离开墙脚1.4m时,梯子上端的下滑速度.
16.
梯子不够高度时()用。
17.
一架2.5m长的梯子斜立在一竖直的墙上,这时梯足距离墙底端0.7m,如果梯子的顶端沿墙下滑0.4m,那么梯足将下滑( )A.0.9mB.1.5mC.0.5mD.0.8m
18.
CR400AF动车组司机用紧急设备包括:应急灯、()、信号弹、扬声器、软梯、梯子。
19.
阅读理解。 Ben Jones was walking home from school one day when he saw a black cat. It was walking across the srteet in front of him.Ben stopped, turned around, and walked down a different srteet to go home...
20.
使用梯子的不安全行为有:( )。
21.
金属梯子不适于以下什么工作场所()
22.
在梯子上工作时,梯子必须( ),并按工作需要有足够的长度,长度不够时不可以用短梯子绑接代替长梯子。
23.
金属梯子不适于以下什么工作场所 ?
24.
梯子的横档间距为()。
25.
小儿,男,正常体重16kg,身高91cm,平时好动、好问,会爬梯子,会穿鞋,不会系鞋带,会背多首儿歌,上课注意力不超过15分钟。 该小儿的保健重点应做好
26.
工艺金属结构的梯子形式有( )。
27.
梯子分为人字梯和()。
28.
当用梯子作业时,作业人员应先检查梯子是否牢靠,梯子上只准有()人作业。
29.
【名词解释】[圣经]雅各的梯子
30.
吊篮作业人员不得穿着硬底鞋、塑料底鞋、拖鞋或其它易滑的鞋子进作业,作业时经批准可以在悬吊平台内使用梯子、凳子、搁板等攀高工具和在悬吊平台外另设吊具进行作业。
31.
在文中两处横线上依次填入语句,衔接最恰当的一项是 无论冬夏,太阳每天都攀着湿淋淋银闪闪、绿油油或金灿灿的梯子,从山间的水田里爬出来,正是清明时节,梯田已开始灌水,咕嘟咕嘟的流水声犹如______。每块田池的边缘都留有缺口,一畦注满,便自动流入下一层里。_____,一畦畦平展展,好似神灵于半夜在山上放置的无数面镜子。
32.
金属梯子不适于()工作场所。
33.
梯子应坚固完整,有防滑措施。
34.
甲、乙、丙三个梯子斜靠在同一堵墙上(梯子顶端靠墙),小明测得甲与地面的夹角为60°;乙的底端距离墙脚移米,顶端距离墙脚3米;丙的坡度为,那么这三个梯子的倾斜程度是 [ ]
35.
为了讲解锐角三角函数中三角比的变化情况,采用日晷的例子比梯子靠墙下滑的例子更为科学的原因是日晷的例子中一条直角边长度不变。()
36.
放引水梯时,应在梯子旁备有()
37.
移动超过()m长的梯子,应由两个人抬,且不得在移动的梯子上摆放任何物品。
38.
金属梯子不适于以下什么工作场所 ( )。
39.
硬质梯子的横档应嵌在支柱上,梯队的距离不应大于( ),并在距梯顶1m处设限高标志。
40.
梯子需要接长使用时,其搭接长度要大于梯子框架主柱横戴面直径的()倍。
41.
上下梯子的要求有()
42.
使用梯子时,要有人扶持或绑牢
43.
梯子与地面的夹角应在65°至75°之间,作业人员应在距梯顶1m以下的梯蹬(踏棍)上作业。
44.
A few weeks ago we decided Io paint (油漆) the outside of our house.To save money we decided Id do it ourselves.One Saturday morning.we went to tile shop and bought some paint and a number of brushes.We...
45.
梯子的底宽不得小于()CM。
46.
当用梯子作业时,作业人员应先检查梯子是否牢靠;要有专人扶梯,梯子(),严防滑移。
47.
小儿,男,正常体重16kg,身高91cm,平时好动、好问,会爬梯子,会穿鞋,不会系鞋带,会背多首儿歌,上课注意力不超过15分钟。该小儿的保健重点应做好
48.
梯子分为人字梯和()。
49.
Nasreddin had a shed(棚子)behind his house. It had no lights in it. One night he went out to the shed to get his ladders(梯子)and lost his ring(戒指)there. He left the ladder, went out into the street and b...
50.
A few weeks ago, we decided to paint (油漆) the outside of our house. To save money, we decided to do it ourselves. On Saturday morning, we went to the shops and bought some paint and a number of brushe...