治疗白斑的首要措施是()
A.手术切除
B.0.2%维A酸溶液局部涂布
C.维生素A口服
D.除去刺激因素
E.增强机体免疫能力
参考答案:D
The top leaders of the two countries are holding talks in a friendly________.[ ]
A. atmosphere
B. state
C. situation
D. phenomenon
升高基础体温的是
A.睾丸生精细胞B.睾丸间质细胞C.睾丸支持细胞D.卵母细胞E.卵泡颗粒细胞