一般认为,物价上涨率在()以下可视为物价稳定。
A、0
B、1%
C、3%
D、5%
参考答案:D
When in his rebellious years, that is when he was sixteen or eighteen, Frank Anderson ()going around with a strange set of people and staying out very late.
A. took to
B. took up
C. took on
D. took in
在GSM系统中,MSC之间的切换有哪些()。
A、前向切换
B、后向切换
C、第三方切换
D、后续切回
E、后续切换到第三方