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按照狭义的解释，下列哪一行为属于法的适用？
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听力课一般分为两种：（）和（），前者是为了理解听力内容的细节，后者在于把握听力材料的大意 。
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颅底骨折引起的脑脊液漏，多能自愈，时间大约为（）
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锉刀用碳素工具钢T10A、T12A或T10、T12、T13制成，并经过热处理（），锉刀的（）在HRC62~67之间。
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我们现今面临的安全问题除传统的安全问题外，还包括？（）
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that, impressed, against, at, who, with, place, catalogue, displayed, for Dear Sir or Madam, We were(1)by the selection of sweaters that were(2)on your stand(3)the Menswear Exhibition(4)was held in Chicago last month. We are a large chain of retailers and looking for a manufacturer(5)could supply us(6)a wide range of sweaters(7)the teenage market. As we usually(8)very large orders, we would expect a quantity discount in addition to a 20% trade discount off net list prices, and our terms of payment are normally 30 days bill of exchange, documents(9)payment. If these conditions interest you, and you can meet orders of over 1000 garments at one time, please send us your current(10)and price-list. We hope to hear from you soon. Yours faithfully,
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市场细分的实质是需求的细分。()
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不属于回购式贴现业务的主要风险点的是（）
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井壁不稳定是指钻井和完井过程中的（）三种基本类型。
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进行胎模锻造生产的重要条件是制造简单，轻便耐用和（）