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
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
【判断题】The WTO is described as an umbrella organization under which the agreements that came out of the Uruguay Round of multilateral trade negotiations are gathered．（ ）
A.
正确
B.
错误
【单选题】The headquarters of the WTO is（）.
A.
New York，U.S.A.
B.
Paris，France
C.
Geneva，Switzerland
D.
Sydney，Australia
【判断题】The WTO is described as an umbrella organization under which the agreement that came out of the Uruguay Round of multilateral trade negotiations are gathered. （ ）
A.
正确
B.
错误
【单选题】The WTO is described as an umbrella organization under which the agreement that came out of the Uruguay Round of muhilateral trade negotiations are gathered．( )
A.
正确
B.
错误
【简答题】.Someone says that the WTO is a general agreement of talk and talk.Some others say the WTO is just a great trap that the developed countries hunted resources from the developing countries through the ...
相关题目：