Thedisease“beri-beri”______ A: killslargenumbersofEasternpeoples B: isavitamindeficiency(缺乏)disease C: iscausedbydiseasedrice D: canbecaughtfromdiseasedchickens
Thedisease“beri-beri”______ A: killslargenumbersofEasternpeoples B: isavitamindeficiency(缺乏)disease C: iscausedbydiseasedrice D: canbecaughtfromdiseasedchickens
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