题目

阅读下面材料，在空白处填入适当的内容(不得超过三个)。答案写在答题卡上。Mr. Johnson lived in the woods with his wife and children. He owned a farm, which looked almost abandoned. 【1】(lucky), he also had a cow which produced milk every day. He sold or exchanged some of the milk in the towns nearby 【2】other food and made cheese and butter for the family with what 【3】(leave). The cow was their only means of support, in fact. One day, the cow was eating grass 【4】it began to rain heavily. While 【5】(make) great efforts to run away, she fell over th如图，渔船甲位于岛屿的南偏西方向的处，且与岛屿相距12海里，渔船乙以10海里/小时的速度从岛屿出发沿正北方向航行，若渔船甲同时从处出发沿北偏东的方向追赶渔船乙，刚好用2小时追上．则=               .