皮皮学，免费搜题
登录
搜题
【单选题】
在装有额定载重量的轿厢自由下落的情况下，装置应动作时轿厢的平均减速度( )之间。A.
0.Ig~0.2g
B.
0.2g~1.2g
C.
0. 2g~1 .0g
D.
1 .0g~l .2g
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
【单选题】What is the main idea of the passage?
A.
The roles of zoos.
B.
The development of zoos.
C.
The problems with zoos.
D.
The roots of zoos.
【单选题】The Importance of Agriculture The development of agriculture and the balance between food and population are China’s fundamental economic problems. The classical histories praise emperors for devotion...
A.
determines the progress of industry
B.
the story of the unfolding struggle to feed a peasant population
C.
either agricultural raw materials
D.
enlarging the capacity of the economy to import machinery and commodities for industry
E.
In addition to the direct links between agriculture and industry
F.
thus promoting both import and export (46)
【简答题】A．To test the role of environment in the development of intelce. B．Because their parents were too poor to support them. C．Bemuse their parents passed away. D．To find out how well twins grow in se...
【单选题】地基复杂程度可按规定划分为三个地基等级(一级地基、二级地基、三级地基),下列说法中错误的是
A.
岩土种类多，很不均匀，性质变化大，且需特殊处理的地基是一级地基
B.
岩土种类较多，不均匀，性质变化较大的地基是二级地基
C.
发育严重缺陷、膨胀、盐渍、污染严重的特殊性岩土，对工程影响大、需作专门处理的岩土的地基是二级地基
D.
岩土种类单一，均匀，性质变化不大的地基是三级地基
【简答题】A．To test the role of environment in the development of intelce. B．Because their parents were too poor to support them. C．Because their parents passed away. D．To find out how well twins grow in s...
【简答题】The development of writing was one of the great human inventions. It is difficult【36】many people to imagine language without writing; the spoken word seems intricately tied to the written【37】. But chi...
相关题目：