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张忠培先生将（）与（）喻为近代考古学这部车子的两个轮子。
Questions 1 to 5 are based on the following passage. A call home can cost ￡1.37 a min BRITISH tourists are still ripped off by mobile phone firms charging over the odds for “roaming” services, the European Commission has found. Calls made or received on mobiles while abroad cost up to ￡1.37 a minute—or 19 times as much as domestic calls, a study revealed. Users have to pay roaming charges when using a foreign network, under an agreement with their own operator. Mobiles automatically switch to a local network when outside the UK. Companies such as Vodafone and T-Mobile are accused of abusing their dominant position by charging high fees and passing them on to customers. British operator Vodafone and T-Mobile’s parent company Deutsche Telekom are guilty of anti-competitive practices in Germany, the EC claims. If found guilty, both could be fined millions of pounds for abusing their monopoly. Vodafone is appealing against earlier EC allegations that its British roaming rates are “unfair and excessive”. Jonathan Morris, of What Mobile? magazine, said: “If people use their phone when away, they can rack up hundreds of pounds quickly. Making quick calls won’t help as calls are charged by the minute, not the second.” Questions: 1．Mobile phone firms cheat British tourists by making them pay too much money for ______________. 2．Which mobile phone company is cheapest to call UK from Australia? 3．If found guilty, which two mobile phone firms could be fined millions of pounds for abusing their monopoly? 4．What are the European Commission’s allegations about Vodafone? 5．How will people be charged if they use their phone when away?
舵机安全阀调试过程中，每次开启的时间不宜（）。
明初建立了鱼鳞册和黄册的登记制度。鱼鳞册主要登记每块田地所有权的归属及其四至疆界，黄册登记每户人口的具体情况。该制度旨在（）
汽轮机运行中为何产生轴向推力？
力的平行四边形法则中，两个分力和它们的合力的作用范围（）。
患者，女，35岁，已婚，诉白带增多伴外阴瘙痒2周，查体外阴潮红，阴道黏膜充血，上覆白色膜状物，宫颈轻度糜烂，白带查滴虫（一）。下列处理哪项不正确
大疆公司主要涉及以下哪个高科技领域（）
用O.2％氟化钠溶液含漱防龋的频率是（）
可能造成错 畸形的疾病除外（）。
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