多项选择题 请问图中的四套穿搭中，哪些属于对比色相搭配？A. 图1B. 图2C. 图3D. 图4

单项选择题 不属于肝外胆道的结构是 A. 肝左管 B. 肝右管 C. 胆囊管 D. 胰管 E. 肝总管

多项选择题 Which of the following statements is TRUE of basophils? A. May be associated with allergic reaction. B. Contain large, dark blue-staining granules with Wright stain. C. Specific granules contain heparin and histamine. D. Nucleus may be not clear because of overlap with granules. E. Constitute about 3%-8% of the leukocyte population.