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Ⅰ.单词拼写 1．Don't disturb your brother. He is busy ________(计算)a problem. 2．The teacher was asked to ________(简化)the instructions so that the children could understand them. 3．All ________(电子的)computers consist of five units although they are of different kinds. 4．When the computer is stopped in this way, it can only be restarted by the ________(操作员)． 5．They have made great progress in machine translation and artificial ________(智能)． 6．As a secretary, I answer telephones and do some ________(打字)． 7．The famous scientist never returned when he __________(探索)the desert region in 1979. 8．Your new __________(目标) is to preserve the picture, protect it, and communicate through it. 9．The software ________(下载)on the Internet must be installed properly. 10．I saw your sister ________(徘徊) in the street when I passed by the other day. 答案 1．calculating 2.simplify 3.electronic 4.operator 5．intelligence 6.typing 7.explored 8.goal 9．downloaded 10.wandering Ⅱ.用所给词的适当形式填空 1．What role did new ________ (technological) play in the spread of mass culture at the turn of the 20th century? | 
