Does he ____________ newspapers on the bus?[ ]
A. reads
B. reading
C. read
答案：C
Class C EPIRBs are（）.
A.manually activated and operate on maritime (VHF) channels
B.automatically activated and operate on maritime (VHF) channels
C.manually operated and detected by satellite
D.automatically operated and detected by satellite
达•芬奇的艺术成就？
