你可能感興趣的試題

A feature of an inflatable raft which helps keep people stationary in rough weather is（）.

A.lashings on the floor of the raft for the passenger's feet
B.straps from the overhead
C.lifelines on the inside of the raft
D.ridges in the floor of the raft

單項(xiàng)選擇題

A cold front moving in from the northwest can produce（）.

A.thunderstorms，hail，and then rapid clearing
B.increasing cloud cover lasting for several days
C.lengthy wet weather
D.low ceilings with thick cirrus clouds