遗传性Ⅺ因子缺乏症为
A.常染色体隐性遗传
B.多基因遗传病
C.X连锁隐性遗传
D.X连锁显性遗传
E.染色体畸变遗传病
参考答案：A
It was a long time before the Americans completely _________ from the shadow of the September 11th attack launched by the terrorists.
A．healed
B．improved
C．cured
D．treated
燃烧的三大特征（）。
