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根据短文内容,判断短文后句子的正(T)、误(F)。   Doctorshavestudiedsleepform...
问题详情:根据短文内容,判断短文后句子的正(T)、误(F)。   Doctorshavestudiedsleepformanyyear.Itisreportedthatpeoplehavefivestagesofsleepandthatpeoplemaygothrougheachstageabouteveryninetyminutes.Duringthefir...
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