She thinks she can get there on time, ________ she?
A.can
B.doesn't
C.can't
D.does
答案:C
下面哪些是IBM提供的随需应变运行环境具备的特征。()
A.集成化
B.虚拟化
C.可自我管理的
D.自动化
紫外线是波长在()nm之间的电磁波。
A.0~200
B.10~200
C.10~300
D.10~400