2.6÷(3.4-1.6)
2.6÷(3.4-1.6),
=2.6÷1.8,
=139.
My teacher _____________ a bike to work every day. [ ]
A. by
B. on
C. rides
GPWS安装在哪里?
A、雷达罩内
B、左电子设备架
C、右电子设备架
D、后设备舱