DDRII内存的CL[CASLATENCY]数值只能达到（）
A.4-4-8-8
B.4-4-4-8
C.4-4-4-8
D.4-8-8-8
参考答案：C
Last summer, many events in the world were covered _____on HD(高清) channels.
A．alive
B．lively
C．living
D．live
简述一国选择涉外税收全面最大负担原则的目的。
