第20题: [单项选择]Call ______ on your way home and tell me how the interview went. A. in B. on C. at D. up 参考答案:A 答案解析:[分析] call in“亲自来访”,“(顺道)来访”,不接宾语;call on(upon)sb.“拜访(某人)”;call at sb's house(residence,office)“到某人的家
第26题: [单项选择]After launching,an inflatable raft should be kept dry inside by(). A. Opening the automatic drain plugs B. Draining the water pockets C. Using the electric bilge pump D. Using the bailers and cellulose sponge 参考答案:D