下列各项中，属于事件性质的法律事实是( )。A．设立公司 B．粮食涨价 C．逃税

在下列叙述仪器“0”刻度位置正确的是（）

A、在量筒的上端

B、在滴定管上端

C、在托盘天平刻度尺的正中

D、在托盘天平刻度尺的右边

银汞合金充填应进行磨光，因为（）

A.可使修复体表面平滑

B.可减少腐蚀

C.增加修复物坚实度

D.可减少局部电流的产生

E.以上都是

Although the bulk of industry resources and energies have focused on developing the fastest (71) or slickest (72) , more and more mindshare is turning to the evolution of the computer interface. Advancements in the areas of input devices, (73) processing and vitual reality could lead to fundamental changes in the way human and computer interact. The technological battlefield of the future will be adding layers between the user and the raw machine to make the (74) as invisible as possible. (75) crepresents the next evolutionary step for the interface.

A．application software

B．eye-tracking device

C．application programs

D．vitual reality

按照马斯洛的需求理论，“工作稳定”属于（）需要。

A.生理的

B.安全的

C.归属与爱

D.自尊的

膝关节化脓性关节炎患者体检时最可能发现的阳性体征是（）

A.拾物试验阳性

B.浮髌试验阳性

C."4"字试验阳性

D.托马斯试验阳性

E.脊柱过伸试验阳性