临床上Rh血型阴性或阳性的概念是根据红细胞上是否含有()。 ["D抗原","C抗原","c抗原","E抗原","e抗原"]
住房救助
据《素问・阴阳应象大论》,对于病邪轻浅者,其治法是() ["A.因而越之","B.引而竭之","C.减之","D.彰之","E.扬之"]
电气设备运行中会产生发热现象,主要是电流的()引起的。 ["热效应","磁效应","光电效应","过流效应"]
()是试错法的第二步。 ["猜测或尝试","反驳或排除","在错误中学习","直接得到正确结论"]
读者成分包括哪些特征?