天然气是一种洁净能源,即使泄漏了也不会爆炸。
参考答案:错
The fog was so heavy this morning that drivers could hardly _______ the things just ten meters away from them.
A.figure out
B.look out
C.make out
D.try out
碧霞湖某处的水深6m,该处的小鱼受到水的压强为______ Pa;在小鱼上浮的过程中受到的水的压强______.(填“增大”“减小”或“不变”)(g=10N/kg)