单选题:牛黄具有解痉作用,其对平滑肌的松弛作用主要是由哪个成分引起的 题目分类:中药学专业知识(二) 题目类型:单选题 查看权限:VIP 题目内容: 牛黄具有解痉作用,其对平滑肌的松弛作用主要是由哪个成分引起的 A.SMC B.去氧胆酸 C.胆红素 D.石胆酸 E.胆酸 参考答案: 答案解析:
What attitude did the man‘s parents have towards his study a What attitude did the man‘s parents have towards his study abroad?A.They allowed 分类:中药学专业知识(二) 题型:单选题 查看答案