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Unit 3 Computers .单项填空 1．Teachers have to constantly update their knowledge in order to maintain their professional____. A．consequence B．independence C．competence D．intelligence 解析 考查名词词义的辨析。consequence结果；后果；independence 独立； competence 能力；intelligence智力。句意：教师必须不断的更新自己知识以便于保持他们在职业上的能力。 答案 C ．Why are you so anxious？It isn’t your problem______. A．on purpose B．in all C．on time D．after all 句意：你为什么担心呢？毕竟那不是你的问题。on purpose有意地；in all总共；on time准时；after all毕竟，终究，别忘了，到底。 D 3．Many people believe that poverty is only a problem in rural areas.________，it is also a problem in some urban areas. A．As a result B．Furthermore C．In the end D．As a matter of fact 解析 考查短语的辨析。as a result 因此；furthermore而且；in the end 最后；as a matter of fact 实际上。句意：许多人认为贫穷只是乡村地区存在的问题，实际上，它也是部分城市地区存在的问题。 | 
