激光在医学上应用主要有（）
A.激光手术
B.弱激光治疗
C.激光光动力学疗法
D.激光内镜术治疗
E.以上都是
参考答案：E
----- My father will be here tomorrow.
----- Oh, I thought that he _____ today.
A．was coming
B．is coming
C．will come
D．comes
如果执行指令前，(DS)=1000H，(10100H)=0200H，(10102H)=2000H，则执行IDS SI，[100H]指令后，(DS)= ______ .
