第22题: [单项选择]日本血吸虫成虫主要寄生在人体的部位是() A. 结肠黏膜静脉 B. 全身静脉系统 C. 门静脉系统 D. 肝动脉 E. 淋巴管 参考答案:C
第23题: [单项选择]He wasn’t asked to take on the chairmanship of the society, () insufficiently popular with all members. A. being considered B. considering C. to be considered D. having considered 参考答案:A 答案解析: