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专门贸易(Special Trade)
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Questions 9 and 10 are based on the following news. At the end of the news item, you will be given 10 seconds to answer each of the two questions. Now listen to the news. The example in the news item is cited mainly to show（）
（四） 背景资料：某民用机场飞行区水泥混凝土道面面层损坏严重，跑道边灯单芯电缆老化，不能满足正常运行要求。为确保飞行安全和机场正常运行，该机场决定对跑道和跑道边灯进行整修，其方案是对原有道面加盖沥青混凝土面层，更换跑道边灯单芯电缆。工程计划总投资约6000万元。 由于任务紧，工期短，建设单位直接委托了具有相应施工资质的机场场道工程和机场目视助航工程施工单位，并分别签定了施工合同，在合同中约定了有关工程的质量、进度、经济条款。在约定工期内，每天晚上10：00停航进入施工，次日早上6：30确保准时开航。 施工单位为尽快能实施上述项目，立即按相关要求准备好不停航施工申请资料，并报送民航主管部门审批，同时按要求编制了不停航施工管理实施细则。 由于机场管理机构和施工单位的共同努力，本工程按期完成并按相关规定完成竣工移交手续。 问题： 跑道边灯电缆应在哪些位置打一组接地桩？
当贸易条件指数>100时，称为贸易条件恶化。( )
The desire to use language as a sign of national identityis a very natural one, and in result language has played a (1) ______prominent part in national moves. Men have often felt the (2) ______need to cultivate a given language to show that they aredistinctive from another race whose hegemony they resent. (3) ______At the time the United States split off from Britain, for (4) ______example, there were proposals that independence should belinguistically accepted by the use of a different language from (5) ______those of Britain. There was even one proposal that Americans (6) ______should adopt Hebrew. Others favoured the adoption ofGreek, though, as one man put it, things would certainly besimpler for Americans if they stuck on to English and made (7) ______the British learn Greek. At the end, as everyone knows, the (8) ______two countries adopted the practical and satisfactory solutionof carrying with the same language as before. (9) ______Since nearly two hundred years now, they have shown (10) ______the world that political independence and national identitycan be complete without sacrificing the enormous mutualadvantages of a common language. 1（）
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