据报道,全国目前患结核病的人数约为450万,每年新增发病人数约为145万,约有13万人死于结核病。肺结核病是一种( )
A:呼吸道传染病
B:消化道传染病
C:血液传染病
D:性传播疾病
写出下列各字的偏旁。
松____ 鸭____
—I am really struck by your spoken English. You speak so fluently. Have you been abroad?
—Yes. I ______ in London for two years.