（1.5 分）
Of the following, ______ is not the way for ships to keep away from bad weather.
A.delaying voyage B.staying in port C.speeding up and running away D.pumping out ballast water正确答案D
（1.5 分）
Of the following, ______ is not the way for ships to keep away from bad weather.
A.delaying voyage B.staying in port C.speeding up and running away D.pumping out ballast water正确答案D
