皮质中枢

I’m stuck is used __________.

A. when you have a good idea    

B. when you go on talking without stop

B. when you are thinking something is too easy

D. when you can’t continue with something because it’s too difficult

Look! The man _____ the black car is my son's teacher. [ ]

A. to

B. in

C. of

D. for

在VBA中，以打印预览方式打开报表rReader，应该使用语句为______。

二次设备

临床上，大失血的病人，往往导致气脱病变是因为（）

A.气能生血

B.气能行血

C.气能摄血

D.血能养气

E.血能载气