皮皮学，免费搜题
登录
搜题
【单选题】
从扭转或梁的中性层处取出一点的应力状态如下图所示,则 。A.
该应力状态的应力圆关于 τ 轴左右对称，且第一主应力等于 τ
B.
该应力状态的应力圆与 τ 轴相切，且第一主应力等于 0
C.
该应力状态的应力圆与 τ 轴相切，且第一主应力等于 τ
D.
该应力状态的应力圆关于 τ 轴左右对称，且第一主应力等于 0
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
【简答题】越来越多的人涌入大城市，有些问题随之产生； 2．比较明显的问题有……； 3．我对这种现象的想法。 City Problems
【单选题】______ is entitled to enter into，with a shipper，any agreement，stipulation，condition，reservation or exception as to the responsibility and liability of the carrier or the ship for the loss of or damage...
A.
A carrier
B.
A consignee
C.
A consigner
D.
A receiver
【简答题】我不知道你那奇怪的想法来自何处。
【单选题】材料题请点击右侧查看材料问题 查看材料
A.
Quiet and reserved.
B.
Independent and talkative.
C.
Friendly and outgoing.
D.
Energetic and active.
【简答题】听下面一段材料，回答第1-2题。 1. Why does the man make his phone call? A. To buy a table. B. To reserve a table. C. To sell a table. 2. At what time does Mr. Miller want to go? A. At 7:00. B. At 8:00. C. At 9:00.
【简答题】Reading is not the only way to gain knowledge of the work in the past. There is another large reservoir (知识库) which may be called experience, and the college students will find that every craftsman (工...
【简答题】关于这次电视购物的想法，我希望有更深入的见解。( )
【单选题】??What do experts say about the earth's fuel reserves???
A.
The earth's fuel reserves will be accessible for the next 50 years
B.
There'will soon be an energy crisis
C.
Conventional reserves will soon become inaccessible
D.
Fuel demand will decline
相关题目：
参考解析：
知识点：
题目纠错 0
发布
