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1 Bird flu, a viral disease of birds, does not usually __________ humans; however, some viruses, such as H5N1 and H7N9, have caused serious diseases in people.
104 統測
A infect
B inform
C illustrate
D inflate

禽流感,一種鳥禽類的病毒疾病,通常不會感染人類;然而,有些病毒像是 H5N1和 H7N9,對人類已造成了嚴重的疾病。

infect 感染;inform 告知;illustrate 圖示;inflate 使膨脹