問題詳情
56. The disease transmission of COVID-19 is mainly by:
(A) air pollutants
(B) blood transmission
(C) fecal oral transmission
(D) direct contact with secretions or droplets.
(A) air pollutants
(B) blood transmission
(C) fecal oral transmission
(D) direct contact with secretions or droplets.
參考答案
無參考答案
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