第27题: [单项选择]白蛉传播 A. 登革热 B. 黑热病 C. 莱姆病 D. 地方性斑疹伤寒 E. 流行性斑疹伤寒 参考答案:B
第28题: [单项选择]宫内节育器的避孕机制主要是 A. 影响卵巢排卵 B. 阻止精子与卵子相遇 C. 阻止卵子由卵巢进入子宫 D. 阻止受精卵着床 E. 阻止精子进入输卵管 参考答案:D
第29题: [单项选择]The party was held________. A. at Jane’’s house B. at Jane’’s aunt’’s house C. at Jane’’s sister’’s house D. at Jane’’s brother’’s house 参考答案:B
第35题: [单项选择]Questions 29 to 31 are based on the passage you have just heard. A. By taxing public services. B. By making people pay for private bills. C. By providing needed services D. By collecting taxes. 参考答案:D 答案解析:[听力原文] 29-31 We know that we have to pay for what we get.Ifwe buy food,we know there will be