患者男，因无汗时皮肤异常干燥来诊，该患者不考虑为（）.
A.维生素A缺乏症
B.硬皮病
C.结核病
D.黏液性水肿
E.尿毒症
参考答案：C
|2a-24|+（3a-b-k）2=0，那么k取什么值时，b为负数？
He was very careless in his work, so he really __________ to be fired.[ ]
A. disagreed
B. deserved
C. hated
D. agreed
