【单选题】I am not sure he is at home or not.
【单选题】一平面应力状态如图所示,如果最大主应力为拉应力100MPa,试求:(1)上述面上的切应力t;(2)该点处另一非零主应力;【图片】
【判断题】和式茶室指日本的茶室布置,即室内铺榻米,客人脱鞋入内,席地而坐,整体布置极其简洁明快,或是一画,或插一花,如杭州中国茶叶博物馆中的和式茶室。 ( )
【单选题】I am sure he is______to the job if only he would give his mind to it.
【单选题】 ________people say, I am sure he is right.
【单选题】I am sure he is fully ______ of the danger.
【单选题】 I won't risk that ______ I am sure he is there.