QR515MHA变速器匹配的发动机是()
A.473
B.480
C.477
D.475
参考答案:C
Is there any chance of Tom ______ the farm instead of his elder brother? He’s interested in it actually.
A.to run
B.ran
C.runs
D.running
影响有用意识时间的三个主要因素是()
A.身体健康状况、注意力是否集中、情绪是否紧张
B.飞机上升的速率、是否有身体活动、是否吸烟
C.飞行高度、飞行速度、判断能力