【简答题】极限平衡状态的表示方法常见的有()和主应力式两种。
【判断题】一般规定电动机的工作电压不应高于或低于额定值的10%。
【单选题】关于右房室口解剖和功能的描述,错误的是
C.
右心室壁上有3组乳头肌发出腱索与3个瓣叶相连
【单选题】By answering a question with 'so' instead of 'well', the responder might subconsciously intend to show that______.
A.
he is the conversation dominator
B.
he is skilled in using new media
C.
his answer is a well grounded one
D.
his answer is different from others'
【单选题】( )是对研究问题的范围目标采取弹性态度,观察内容项目与观察步骤没有预先确定,亦无具体记录要求的非控制性观察