所谓Roger病是指()
A.原发孔房间隔缺损
B.继发孔房间隔缺损
C.小型室间隔缺损
D.中型室间隔缺损
E.大型室间隔缺损
参考答案:C
Hearing the news, he hurried home, ______the book_____ on the table.[ ]
A. leaving, lying open
B. leaving, lie opened
C. left, lay opened
D. left, lain open
下列反应属于化合反应的是( )
A.锌片投入稀硫酸中
B.高温锻烧石灰石
C.甲烷在空气中燃烧
D.在氧气中点燃铝箔