题目

为预防狂犬病，某市要求养狗居民要带狗接种狂犬病疫苗，领取动物防疫监督机构出具的动物健康免疫证。从免疫角度分析，患狂犬病的狗属于，接种的狂犬病疫苗属于（ ）A.病原体 抗原B.传染源 抗原C.传播途径 抗体D.易感人群 抗体 答案：【答案】B【解析】传染病是由病原体引起的，能在生物之间传播的疾病．病原体指能引起传染病的细菌、真菌、病毒和寄生虫等，传染病若能流行起来必须具备传染源、传播途径、易感人群三个环节，所以预防传染病的措施有控制传染源、切断传播途径、保护易感人群。从免疫的角度分析，患狂犬病的SPECIAL EVENTS THIS WEEKEND Captain Goodfellow Do your children enjoy interesting stories, funny games, and exciting dances? Captain Goodfellow will be ready to teach all these things to children of all ages at the City Theatre on Saturday morning at 10:00. Free. Walking Tour of the Town 　 Forget your worries on Saturday morning. Take a beautiful walk and learn about local history. Meet at the front entrance of City Hall at 9:30. Wear comfortable shoes! Films at the Museum 　 Two European films will be shown Saturday afternoon at the Museum Theatre. See Broken Window at 1:30. The Workers will be at 3:45. For further information, call 4987898. International Picnic 　 Are you tired of eating the same food every day? Come to Central Park on Saturday and enjoy food from all over the world. Delicious and not expensive. Noon to 5:00 p.m. Take Me out to the Ballgame 　 It’s October, and tonight is your last chance to see the Redbirds this year. Get your tickets at the gate. It might be cold …, don’t forget to wear sweaters and jackets. Do You Want to Hear “The Zoo”? 　 “The Zoo”, a popular rock group from Australia, will give their first US concert tomorrow night at 8 at Rose Hall, City College. 63. You can probably eat Chinese, Italian, and Arabic food ______. A. at the front entrance of City Hall　　　　　　　　 B. at the ballgame C. at 5:00 p.m.　　　　　　　　　　　　　　　　　　　　　　 D. at Central Park on Saturday 64. If you are going on the Walking Tour, don’t forget ______. A. your worries　　　　　　　　　　　　　　　　　　　　　 B. your beautiful dog　　　　　 C. your learning about local history 　　　　　　　 D. your comfortable shoes 65. The Redbirds ballgame ______. A. is in the afternoon 　　 B. is outside　　　　　 C. is at the gate　　 D. might be cold 66. “The Zoo” is ______. A. a park with lots of animals there　 B. US concert C. a music group　　　　　　　　　　　　　　　　　 D. going to give the concert at 8 a.m. tomorrow