心肺复苏的第一步骤是()。
A.判断意识
B.高声呼救
C.拨打电话
D.将病员放平
参考答案:A
—Do you know _____ now?
—In the People's Hotel. [ ]
A. where is Tom working
B. where did Tom work
C. where Tom is working
D. where Tom worked
CDMA的空中传输速率是1.2288Mbit/s。