（以下5题共用备选答案）
伤口愈合早期
A．肉芽组织B．纤维组织C．纤维蛋白D．淀粉样物E．变性坏死的中性白细胞
参考答案：A
The plane was _____ to arrive at 9:30, but was an hour late. [ ]
A. certain
B. likely
C. about
D. supposed
能引起右心房、右心室扩大的先天性心脏病是（）
A.房间隔缺损
B.室间隔缺损
C.动脉导管末闭
D.主动脉瓣狭窄
E.主动脉缩窄
