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道口铭牌、闲人免进牌设在道口房面向道路侧外墙上。道口铭牌标明道口名称、线名、里程。（）
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商业银行用持有的未到期的票据向中央银行融资的做法被称为____。
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引起脑梗死最常见的原因是（）
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关于唾液分泌调节的叙述，正确的是
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4种微波断面的衰落概率为D>C>B>A。
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计算题：日照全球通客户A漫游到南京，青岛动感地带客户B漫游到济南，A在23点23分拨打B通话121秒，23点56分B使用魔幻话吧业务拨打A通话220秒，问两次通话A，B各收费多少元？
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直疝三角的三边是（）。
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Asking Seller to Cover Insurance for 150% of the Invoice Value Dear Sirs, We are pleased to advise you that concerning your S/C No．819 for 500 sets color TV, we have issued confirmed, irrevocable L/C No．919 for US ＄50 000, through the Bank of China, London, valid to October 20. Please see to it that the goods are shipped before 20th October and the insurance is to be covered for 150% of the invoice value against All Risks．We know that according to your usual practice, you insure the goods only for the 110% of the invoice value, therefore, the additional premium will be for our account. Please arrange the insurance accordingly and inform us your shipment date after closing the insurance.Yours faithfully,
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β-兴奋剂（激动剂）如用试剂盒检测结果大于等于0.2ug/kg，需用（）进行验证。
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CJD主要累及部位是（）