机油压力报警灯的报警压力为（）MPa。
A、0.08
B、0.2
C、0.3
D、0.4
参考答案：A
比-1大2的数（ ）
A．0
B．1
C．-3
D．-1
50% of the people（）for the survey were female.
A.were questioned
B.who questioned
C.who were questioned
D.question
