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选修七 Unit 1 Living with technology Ⅰ.单项填空 1．(2010·南平调研)At last the young man had no choice but________the computer from the office. A．acknowledge to have stolen B．acknowledge having stolen C．to acknowledge to have stolen D．to acknowledge having stolen 解析：have no choice but to do sth.“别无选择只能做某事”；acknowledge doing/having done“承认做了……”。 答案：D 2．They________that the books be returned to the school library at once. A．hoped B．wished C．permitted D．demanded 解析：由从句中的be returned可知选D。demand其后跟宾语从句时，从句用(should)＋动词原形。 答案：D 3．It's the sort of work that________a high level of concentration. A．calls for B．makes up C．lies in D．stands for 解析：句意：这是那种需高度集中精力的工作。call for“要求，需要”。make up“组成，构成”；lie in “在于”；stand for“支持，代表”。 答案：A 4．He________the audience with his wonderful performance. | 
