【单选题】Christianity was introduced into England in the late century.
【单选题】As a result of the agriculture enclosure in England in the late 18th century, ______.
A.
peasant farmers had to look for work in towns
B.
the English tenants got benefits
C.
diet became less varied
D.
farms became smaller and smaller
【判断题】第三类是正应力和切应力都比较大的点,这些点一般在截面上、下边缘与中性轴之间某个位置上,处于平面应力状态。
【单选题】抗日战争胜利后,国共两党在重庆签署《政府与中共代表会谈纪要》是在( )
【单选题】一点处于平面应力状态, a-a平面上和b-b平面上的应力如图所示。则该点的最大主应力值为( )【图片】
【判断题】受力构件内任一点处,若只有一对相互平行截面上的正应力和切应力同时等于零,则该点必是单向应力状态。
【单选题】Christianity was introduced into England in the late _____ century.
【单选题】England was converted to Christianity in the late ____ century.
【判断题】第三类是正应力和切应力都比较大的点,这些点一般在截面上、下边缘与中性轴之间某个位置上,处于平面应力状态。
【单选题】( ) was an important representative of mercantilism in late England.