下列疾病中可检测到血红蛋白尿的是
A．血友病B．缺铁性贫血C．溶血性贫血D．慢性粒细胞白血病E．再生障碍性贫血
参考答案：C
The 2004 China F1 car race _____ in Shanghai. [ ]
A. is held
B. was held
C. has held
D. will be held
无效合同应由（）确定。
A.人民法院或仲裁机关
B.合同双方当事人
C.人民调解委员会
D.公证处
