An enormous number of people in the world’ s poorest countries do not have clean water or adequate sanitation______.

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问题 An enormous number of people in the world’ s poorest countries do not have clean water or adequate sanitation______.

选项 A、capacities
B、facilities
C、authorities
D、warranties

答案B

解析 句意:世界最贫穷地区的很多人享用不到洁净的水和足够的卫生设施。facility设备,工具。capacity容量;能力。authority权威;权威人士。warranty授权;担保。
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