皮皮学，免费搜题
登录
搜题
【单选题】
设计一根轴,验算时发现轴的刚度不够,这时 ( ) 是无效的。A.
改变轴上零件位置
B.
适当增大轴的直径
C.
材料由碳钢改为合金钢
D.
改变轴承之间的距离
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】— Will Mary go for a picnic with us tomorrow? — She says she won't go, but I say she ____, with no excuse. [ ]
A.
can
B.
shall
C.
will
D.
may
【简答题】山西承东启西的地理位置使其成为 ( )两大流域的分水岭 A.海河 B.淮河 C.汾河 D.黄河 E.长江
【简答题】阅读理解 'Mary, come and clean your room!' Mary's mum says. Mary wants to go outside to play, so she puts (放) all the rubbish (垃圾) under her bed. 'Mum, the room is clean now, 'she says. 'I am going outsid...
【单选题】W:Mary says she likes playing tennis. M:But she doesn't play tennis often,does she?(↙) Q:Whatdoesthe man imply about Mary?
A.
She plays a lot of other sports．
B.
She doesn't really like tennis．
C.
She only likes watching tennis．
D.
She has a lot of things to do．
【单选题】梅奥的人际关系理论着重研究
A.
生产中工人的劳动效率
B.
一般管理原理和管理效率
C.
理想的行政组织理论
D.
生产过程中的工人的劳动士气
E.
人的需要、动机和行为
相关题目：
参考解析：
知识点：
题目纠错 0
发布
