属于在一定温度下杀灭微生物90％所需的灭菌时间的物理意义的是A．FB．FoC．DD．

To our great disappointment, a lot of jobs ______ if the factory closes.

A．will lose

B．will be lost

C．are lost

D．lost

If you ______ my advice, you ______ your failure now. You ________ your victory.

A．took; wouldn’t cry over; would celebrate

B．had taken; wouldn’t have cried over; would have celebrated

C．had taken; wouldn’t be crying over; would be celebrating

D．had taken; aren’t crying over; are celebrating

光电效应中，从同一金属逸出的电子动能的最大值[ ]

A．只跟入射光的频率有关

B．只跟入射光的强度有关

C．跟入射光的频率和强度都有关

D．除跟入射光的频率和强度有关外，还和光照时间有关

位于口腔前庭内相当于原中切牙近中交界线的延长线上的解剖标志是（）

A.舌系带

B.上唇系带

C.颊系带

D.口轮匝肌的起始部

E.上颌义齿切迹

在文件传输服务中，将文件从服务器传到客户机称为（）。