皮皮学，免费搜题
登录
搜题
【单选题】
当摩擦系数与初拉力一定时,带传动在打滑前所能传递的最大有效拉力随下列参数中增大而增大的是
A.
带轮的宽度
B.
小带轮上的
C.
大带轮上的
D.
带的线速度
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
.
..
皮皮学刷刷变学霸
举一反三
【简答题】具有五层协议的网络体系结构与OSI模型的区别是什么?OSI模型在ISO和GB标准体系中是哪些?分别定义了什么?为什么单纯的从七层角度理解OSI模型是片面的?
查看完整题目与答案
【单选题】A car in a drag race started from rest and accelerated constantly to a velocity of 50 m/s when it reached the end of a 500-m road. What was the car’s rate of acceleration?
A.
−5.0 m/s2
B.
−2.5 m/s2
C.
0.5 m/s2
D.
2.5 m/s2
E.
5.0 m/s2
查看完整题目与答案
【单选题】— I've had a stomachache for two weeks. — You ____ to the doctor when it started. [     ]
A.
must go
B.
should go
C.
ought to have gone
D.
might have gone
查看完整题目与答案
【单选题】A car in a drag race started from rest and accelerated constantly to avelocity of 50m/s when it reached the end of a 500m road. What was thecar’s rate of acceleration?
A.
−5.0 m/s 2
B.
−2.5 m/s 2
C.
0.5 m/s 2
D.
2.5 m/s 2
查看完整题目与答案
【单选题】仓库有效面积是指（）
A.
仓库内所有建筑物所占平面面积之和；
B.
仓库用来存放物资区域所占面积之和
C.
库房、货棚、货场内计划用来储存物资的面积之和
查看完整题目与答案
【判断题】平面储存区是指平房仓库内的储存区
A.
正确
B.
错误
查看完整题目与答案
【单选题】德国幽默的象征中，不包括（）。
A.
威廉布什
B.
海尔里希·霍夫曼
C.
莱恩
D.
卜劳恩
查看完整题目与答案
【单选题】Circle the best topic sentence for each of the following paragraphs. 1. For instance, last summer I found myself waiting in long lines seven times in one day! It all started when I decided to treat my...
A.
I'd bet that if scientifically analyzed, waiting in line would prove to be a major contribution to stress in human beings.
B.
The experience of waiting in line last summer exhausted me.
C.
When waiting in line, all we have to do is stand there and move a little, and just stand there some more.
查看完整题目与答案
【简答题】The period of engagement is the time between the marriage [S01] ________ and the wedding ceremony. Two people agree to marry when they decide to spend their lives together. The man usually gives the w...
查看完整题目与答案
【多选题】对新生使用图书馆,有专门的服务通道:
A.
新生入馆培训及参观图书馆等系列活动
B.
通过图书馆网站
C.
新生手册、图书馆微信、馆内张贴的海报
D.
图书馆首页->新生专栏
查看完整题目与答案
相关题目：
【简答题】具有五层协议的网络体系结构与OSI模型的区别是什么?OSI模型在ISO和GB标准体系中是哪些?分别定义了什么?为什么单纯的从七层角度理解OSI模型是片面的?
查看完整题目与答案
【单选题】A car in a drag race started from rest and accelerated constantly to a velocity of 50 m/s when it reached the end of a 500-m road. What was the car’s rate of acceleration?
A.
−5.0 m/s2
B.
−2.5 m/s2
C.
0.5 m/s2
D.
2.5 m/s2
E.
5.0 m/s2
查看完整题目与答案
【单选题】— I've had a stomachache for two weeks. — You ____ to the doctor when it started. [     ]
A.
must go
B.
should go
C.
ought to have gone
D.
might have gone
查看完整题目与答案
【单选题】A car in a drag race started from rest and accelerated constantly to avelocity of 50m/s when it reached the end of a 500m road. What was thecar’s rate of acceleration?
A.
−5.0 m/s 2
B.
−2.5 m/s 2
C.
0.5 m/s 2
D.
2.5 m/s 2
查看完整题目与答案
【单选题】仓库有效面积是指（）
A.
仓库内所有建筑物所占平面面积之和；
B.
仓库用来存放物资区域所占面积之和
C.
库房、货棚、货场内计划用来储存物资的面积之和
查看完整题目与答案
【判断题】平面储存区是指平房仓库内的储存区
A.
正确
B.
错误
查看完整题目与答案
【单选题】德国幽默的象征中，不包括（）。
A.
威廉布什
B.
海尔里希·霍夫曼
C.
莱恩
D.
卜劳恩
查看完整题目与答案
【单选题】Circle the best topic sentence for each of the following paragraphs. 1. For instance, last summer I found myself waiting in long lines seven times in one day! It all started when I decided to treat my...
A.
I'd bet that if scientifically analyzed, waiting in line would prove to be a major contribution to stress in human beings.
B.
The experience of waiting in line last summer exhausted me.
C.
When waiting in line, all we have to do is stand there and move a little, and just stand there some more.
查看完整题目与答案
【简答题】The period of engagement is the time between the marriage [S01] ________ and the wedding ceremony. Two people agree to marry when they decide to spend their lives together. The man usually gives the w...
查看完整题目与答案
【多选题】对新生使用图书馆,有专门的服务通道:
A.
新生入馆培训及参观图书馆等系列活动
B.
通过图书馆网站
C.
新生手册、图书馆微信、馆内张贴的海报
D.
图书馆首页->新生专栏
查看完整题目与答案