第10题: [单项选择]A merchant sells an item at a 20 percent discount, but still makes a gross profit of 20 percent of the cost. What percent of the cost would the gross profit on the item have been if it had been sold without the discount ？（） A. 20% B. 40% C. 50% D. 60% E. 75% 参考答案:C 答案解析:
第26题: [单项选择]The electronic computer is ______some of the tasks that were once accomplished by our own brains. A. taking on B. taking over C. taking off D. taking in 参考答案:B 答案解析:[解析] take over some of the tasks接手某些任务。take on承担，常与responsibility连用；take off起飞，取消；take in吸收，欺骗。故选B项。
