单选题 The steel wires used are galvanized-coated with zinc to make them rustproof. The two wires that make up the line wire or cable are _____ separately into a machine at one end. They leave it at the other end twisted together and barbed.无
【正确答案】 B
【答案解析】句意：两条组成电缆的铁线分别插入机器的两端。本题考查固定搭配。feed into表示“插入，送进”，符合句意，故选B。eat into侵蚀。bit into咬。nourish 不与into搭配。