The United Nations Development Programme says the world is facing a water crisis. It says each year more than two million childr

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问题     The United Nations Development Programme says the world is facing a water crisis. It says each year more than two million children die from【B1】______caused by unclean water. Most of these deaths are from sicknesses caused by unclean water 【B2】______by human waste.
    The warning is in this year’ s Human Development Report, released by the UN agency on November 9th. Kevin Watkins, the lead writer, says these deaths could be【B3】______with clean water and toilets. The report also finds that over half the people in underdeveloped countries 【B4】______health problems due to 【B5】______water and lack of waste removal systems.
    Mr Watkins says the crisis in health care also【B6】______economic growth in many developing nations. The report says more than one thousand million people in the world do not have clean water and【B7】______.
    The Human Development Report proposes a three-part action plan to help solve the crisis. First, Mr Watkins says national legislation is needed that provides citizens with the right to twenty litres of water a day. Second, the action plan【B8】______each nation to spend more on water and healthcare facilities. Third, the plan calls for increased international aid. This would require an【B9】______four thousand million dollars a year, or two times as much international aid, in the next ten years.
    Mr Watkins says the world is not【B10】______water. The crisis is not because of scarcity but the governance of water. The report also urges governments to consider fairness, equality and social justice when supervising water.
【B3】

选项

答案prevented

解析 空前的could be和空后的with提示,本空应填一动词的过去分词。prevented意为“阻止,避免”。
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