单项选择题
At the （）port, tankers pump the oil ashore using her own pumps.
A.discharging B.load C.loading D.charging
单项选择题 The oil is usually pumped into ship at the loading port by（）.
单项选择题 Fish, meat, fruit and vegetables are carried in（）.
单项选择题 Which of the following is not dangerous cargo?（）
