• 2022-06-05 问题

    What are the ectozoa in dogs A: louse B: flea C: tick D: roundworm

    What are the ectozoa in dogs A: louse B: flea C: tick D: roundworm

  • 2022-06-07 问题

    Plague is transmitted by A: mosquito B: flea C: louse D: sucking blood fly E: sand fly

    Plague is transmitted by A: mosquito B: flea C: louse D: sucking blood fly E: sand fly

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