小儿急性淋巴细胞性白血病选用下列哪些药物进行维持治疗()
A.6-巯基嘌呤
B.甲氨蝶呤
C.长春新碱
D.强的松
E.柔红霉素
参考答案:A, B, C, D
Her __________ wealth is in fact a very small sum.
A.supposing
B.supposed
C.to suppose
D.suppose
臀先露的指示点是
A.肾上腺素B.利多卡因C.阿托品D.碳酸氢钠E.洛贝林