Some scientists have been critical of the laboratory tests conducted by the Federal Drug Administration on the grounds that the amounts of suspected carcinogens fed to animals far exceeds those that humans could consume
far exceeds those that humans could consume
exceeds by far those humans can consume
far exceeds those humans are able to consume
exceed by far those able to be consumed by humans
far exceed those that humans could consume
D选项的错误点:those able to be consumed错了
far exceed 还是exceed by far其实都说的通吧?
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