单选题
According to
many sources
, the safest drinking water is from a piped supply.
A、
many resources
B、
a great deal of information
C、
many sausages
D、
a great deal of salvage
【正确答案】
B
【答案解析】
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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