皮皮学,免费搜题
登录
搜题
【简答题】
Stephen Crane s novel______relates the story of a good woman s down fall and destruction in a slum environment.
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】汽车车轮纯滚动时,滑移率是()%
A.
20
B.
30
C.
0
D.
40
【单选题】Last summer, some twenty-eight thousand homeless people were offered shelter by the city of New York. Of this number, twelve thousand were children and six thousand were parents living together in fam...
A.
more people in families than single persons
B.
about six thousand families
C.
3 children in family
D.
more families with two parents than one
【单选题】Quanzhou is a city with many places of interest. _______ tourists came here every year.
A.
Thousand of  
B.
Thousand  
C.
Thousands of
【单选题】________restaurants can be found in Australia. [     ]
A.
Thousands of
B.
Thousand
C.
Thousands
D.
Thousand of
【判断题】磁场强度概念的引入只是为了简化计算,没有物理意义。
A.
正确
B.
错误
【单选题】关于制动时车轮的滑移率,说法正确的是:
A.
车轮滑移率为20%左右时,车轮与路面之间有最大的附着系数
B.
车轮纯滚动时滑移率为100%
C.
车轮抱死时滑移率为0%
D.
滑移率与附着系数无关
【单选题】当汽车轮胎的滑移率为100%时,车轮的状态是( )
A.
纯滑动
B.
抱死拖滑
C.
边滚边滑
D.
纯滚动
【单选题】关于滑移率s和车轮的运动状态,说法错误的是?
A.
S=0时,车轮 纯滚动
B.
s=30%时,边滚边滑
C.
s=70%时, 边滚边滑
D.
s=90%时,纯滑动
【单选题】10()体现了每一个中华儿女对祖国的责任,这种责任是社会发展的客观要求,也是每个人自身发展的客观需要。
A.
社会主义
B.
集体主义
C.
爱国主义
D.
奉献主义
【单选题】车轮纯滑动时,滑移率是()
A.
0
B.
20%
C.
100%
D.
30%
相关题目: