单项选择题
The weather is often（）in a high-pressure area.
A.fine B.cloudy C.rainy D.windy
单项选择题 The winch at hatch No.3 is（）trouble.
单项选择题 The winch is liable（）worn-out in this way.
单项选择题 There are 65（）of grade No.3 rubber short.
