ThescienceprogramonTVshowedmethatmosquitoesweretheonlymeansof_____ofmalaria(疝疾).
A.conductivity B.transformation C.transmission D.transportation正确答案C
ThescienceprogramonTVshowedmethatmosquitoesweretheonlymeansof_____ofmalaria(疝疾).
A.conductivity B.transformation C.transmission D.transportation正确答案C