第9题: [单项选择]竞争性抑制RNA反转录酶而抗病毒的药物是 A. 阿昔洛韦 B. 利巴韦林 C. 齐多夫定 D. 金刚烷胺 E. 干扰素 参考答案:C 答案解析:阿昔洛韦抑制DNA多聚酶。利巴韦林通过多种机制抑制病毒核苷酸的合成。齐多夫定抑制RNA反转录酶。金刚烷胺抑制RNA脱壳和转移。干扰素降解 mRNA,抑制蛋白质的合成。
第29题: [单项选择]Questions 15-18 are based on an interview between a magazine reporter and a famous negotiator.Which group of people seems to be the most straight forward A. The British. B. Brazilians. C. Americans. D. Not mentioned. 参考答案:C 答案解析:[解析] 对话中女士提到“when Americans negotiate with people from Brazil, the American negotiators make their p