右转螺旋桨飞机在起飞滑跑中,滑流扭转作用将使机头().
A.向左偏转
B.向右偏转
C.取决于油门的大小
参考答案:A
I watch TV and play football on Sundays.[ ]
A. have
B. am
C. often
所需带钢原料的厚度是()
A.1.2mm—6.0mm
B.1.8mm—6.0mm
C.1.2mm—7.0mm
D.1.8mm—7.0mm