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【解析】1.B 2.D 由wide modern roads和well maintained可知第1题选B，第2题选D。 (3)因果同现 【例】“Hooray！” shouted the crowd.It was the loudest ________ I had ever heard at a meeting.The firstplace runner was two laps ahead of me when she crossed the finishing line. A．cheer B．shout C．cry D．noise 【解析】A 由Hooray，runner和finishing line 可知选A。 (4)结构同现 【例】Sometimes he would invite a student to a game of chess.________，he would join student groups to discuss a variety of subjects: agriculture，diving，mathematics. A．As a matter of fact B．Later on C．Other times D．In general 【解析】C 由前文中sometimes可知选C。 (5)同义同现 【例】If a student has problems with classroom work，the student should either ________ a professor during office hours or make an appointment. A．greet B．attach C．approach D．annoy 【解析】C 由后文中make an appointment可知选C。 12. 根据逻辑推理解题 (即根据上文信息推理和根据下文信息推理) 根据上下文的逻辑关系来推断正确答案，逻辑关系包括因果关系、对比关系、并列关系、转折关系、让步关系、递进关系、条件与结果的关系等。从几年来的东高考完形填空题来看，最多的是利用因果关系来推断正确答案。 请运用逻辑推断，解答以下试题，并指出正确选项是根据什么逻辑关系推断出来的。 | 
