pilot/ ‘pailət/ A: n.小块土地 vt.密谋 B: n.监狱,监禁 C: n.领航员;飞行员 D: vt.宁可,宁愿

pilot / ‘pailət/ A: a.向上的，上升的 B: n.月球，月亮；卫星 C: vt.强迫n.力，力量 D: n.领航员；飞行员

pile/ pail/ A: n.郊游,野餐 vi.野餐 B: a.确定的;积极的 C: n.堆 vt.堆叠,累积 D: n.人口;全体居民

pile / pail/ A: n.堆vt.堆叠，累积 B: a.认真的，诚恳的 C: n.引用；引文；报价单 D: a.滑的，使人滑跤的

A fire starting by spontaneous combustion can be expected in which condition?（）. A: Paints，varnish，or other liquid flammables are stowed in a dry stores locker B: Inert cargoes such as pig iron are loaded in a wet condition C: Oily rags are stowed in a metal pail D: Clean mattresses are stored in contact with an electric light bul