急性再生障碍性贫血的病人预防感染的措施是
A．支持疗法B．抗生素C．输白细胞D．保护性隔离E．输血
参考答案：D
They asked me so many _____ questions that I got _______ at last.
A．confusing, confusing
B．confused, confusing
C．confused, confused
D．confusing, confused
塔设备要分为板式塔和填料塔两大类。
