潮湿而不稳定的空气被迫沿山坡上升。所形成的云将是().
A.卷状云,厚度不大,无乱流
B.积状云,垂直发展旺盛,有大雨
C.层状云,有轻度乱流或无乱流
参考答案:B
The path______the park is lined with many trees.
A.leading to
B.led to
C.was leading to
D.which leading to
卫星RNA