拮抗剂
参考答案:拮抗剂:与受体有较强的亲和力,但没有效应力的药物。
依照下面的示例,自选话题,另写两句话。要求使用拟人的修辞手法,句式与示例相同。(6分)
宁愿像谦逊低调的百合,绽放于幽寂的山谷中;也不学庸俗张扬的牡丹,盛开在嘈杂的街巷旁。
—What a nice MP5! Whose is it?
—It's _____. My father bought it for me. [ ]
A. me
B. him
C. his
D. mine