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    11．The driver has much experience of driving，and _____ he behaved very calmly in the dangerous situation．（　　）
    A．thoughB．howeverC．thereforeD．otherwise

    分析 这名驾驶员有很多驾驶经验，因此在这个危险的情形中他表现镇定．

    解答 答案是C．本题考查副词词义辨析．though虽然；however然而；therefore因此；otherwise否则；"镇定"是"有经验"的结果，所以选择表示结果的副词therefore，答案选择C．

    点评 辨析副词要在识记常见副词及其搭配的基础上理解语境，根据具体语境推断合理的答案．

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