题目

– Where does Mr. Black come from?    -- I’m not sure, but his English ___________ Australia.    A. hears              B. sounds                C. suggests                D. seems 答案： C下列变化中，不包含缓慢氧化的是A.人的呼吸B.铁丝在氧气中燃烧C.铁生锈D.食物的腐烂