下列出血性疾病中，属于凝血功能异常的是
A．过敏性紫癜B．维生素C缺乏症C．血小板减少性紫癜D．新生儿出血症E．遗传性毛细血管扩张症
参考答案：D
Much to the couple's comfort, their income is now double _____ it was five years ago. [ ]
A. that
B. than
C. which
D. what
鼻-鼻旁窦恶性肿瘤侵犯前组筛窦，肿瘤的T分级是（）。
A.Tis
B.T1
C.T2
D.T3
E.T4
