According to many sources, the safest drinking water is from a piped supply.

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问题 According to many sources, the safest drinking water is from a piped supply.

选项 A、many resources
B、a great deal of information
C、many sausages
D、a great deal of salvage

答案B

解析 B．many sources=a great deal of information“许多信息”；many resources“许多资源”；many sausages“许多香肠”；a great deal of salvage“大量的抢救费用”。句意：许多信息表明，最安全的水是管道提供的水。

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职称英语卫生类C级

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