A lot of people could fall ill after drinking contaminated water.A:muddled B:polluted C:mixed D:troubled

A lot of people could fall ill after drinking contaminated water.

A:muddled
B:polluted
C:mixed
D:troubled

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单选题The passage is primarily concerned with ______.Athe etiquette of the eighteenth centuryBthe ensuing romance between two people from different social classesCthe lesson that one can never be too carefulDthe resilience of the human spirit to rise after a fall and adapt to new surroundingsEthe workings of social networks and importance of befriending the upper class

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单选题ATo protect environment.BTo cool buildings.CTo change the climates.DTo provide drinking water.