造血系统疾病的主要临床表现有()
A.血细胞量和质的变化所引起的相应症状
B.肝脾淋巴结大
C.血浆成分发生病理性改变
D.以上均是
E.以上均不是
参考答案:D
Jane’s opinion is different from _______, but I really agree with _______.
A.yours, her
B.yours hers
C.you, hers
D.you, her
尿标本保存常用哪些防腐剂?