诊断再障最佳的方法是( )
A.骨髓活检
B.临床症状
C.骨髓穿刺检查
D.CT检查
E.血常规检查
参考答案:A
It was in New Zealand _____I was born _____Elizabeth first met Mr. Smith.
A. that , that
B.which , which
C.where , that
D.that, which
下列属于第一类中药新药的是
A.中药注射剂
B.中药材的人工制成品
C.复方中提取有效部位群
D.新的中药复方制剂
E.中药材的新药用部位及其制剂