第19题: [单项选择]称为"阳脉之海"的经脉是() A. 冲脉 B. 任脉 C. 督脉 D. 带脉 E. 胞脉 参考答案:C
第20题: [单项选择]It is reported that the latest outbreak of the bird flu in Pennsylvania in the United States has prompted China to slap a ban on poultry imports from the state. A. marine products B. dairy products C. industrial products D. avian products 参考答案:D