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补全短文 阅读下面的短文，文章中有5处空白，文章后面有6组文字，请根据文章的内容选择5组文字，将其分别放回文章原有位置，以恢复文章原貌。请将答案涂在答题卡相应的位置上。 Landmines Worldwide there are estimated to be 120 million landmines (地雷) spread through 62 countries. _____(1) The United Nations is currently involved in 14 mine-clearing operations around the world but it estimates that, at current rate, it will take 1,000years to remove all the worlds landmines. Landmines are a favorable weapon because they cost so little to produce - about 3 pounds per mine. _____(2) Landmines cause the death or injury of 70 people a day, of whom most are civilians. _____(3) In fact, about half the landmines active today lie in unmarked fields, in countries no longer in conflict. And landmines do not only kill and maim (使残废); they also hold back economic development. In Afghanistan, for example, where the former Soviet Army laid down an estimated ten million landmines, more than half of the land which could be cultivated for agriculture is useless because it is so heavily mined. According to Eileen Maybin of the Charity Christian Aid, mines also condemn people to relying on overseas aid - aid which is often provided by governments which provided the landmines in the first place: | 
