皮皮学，免费搜题
登录
搜题
【判断题】
如图的结构,忽略各构件自重和各处摩擦,画构件AB的受力图时,可以用三力汇交定理判断出A处约束反力的作用线方位如右图所示。对吗?A.
正确
B.
错误
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】Pity those who aspire to put the initials PhD after their names. After 16 years of closely supervised education, prospective doctors of philosophy are left more or less alone to write the equivalent o...
A.
most of them died of some sickness
B.
their holidays and evenings have been ruined by their jobs
C.
most of them are completely tired of the narrowly defined subject
D.
most of their grants run out
【单选题】She'll be back to her hometown_____time. [ ]
A.
after a few years'
B.
in a few years'
C.
after a few years
D.
in a few year's
相关题目：
参考解析：
知识点：
题目纠错 0
发布
