The new CRH train between Beijing and Shanghai ________ speed can reach about 380km/h will benefit ________ takes it.
A. whose; whoever B. which; whichever
C. whose; who D. where; whoever
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(2013·宜春五校聯(lián)考)Technology is making life easier for some dairy farmers.They use robotic systems to milk their cows.Cows are trained to follow a series of paths that lead to milking stations.Only one cow at a time can enter a station.
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