1.25除以0.3加上0.2的和，商是多少？（列式计算）
1.25÷（0.3+0.2）=2.5
34. —He failed his exam again.
—But what did you _____? Had he ever been working hard?
A．think
B．expect
C．consider
D．imagine
雷达信息可以显示在_______上。
A、MFD
B、PFD
C、MFD和/或PFD
D、EICAS
