不属于人工自动免疫的制剂是() A.BCG B.抗毒素 C.类毒素 D.死疫苗 E. 发布时间:2017-08-26 22:41 │ 来源:www.tikuol.com 题型:单项选择题 问题: 不属于人工自动免疫的制剂是()A.BCGB.抗毒素C.类毒素D.死疫苗E.活疫苗
题型:单项选择题 完型填空。 It's a photo of Han Han. He is a young writer (年轻作家) in 1 .Many students like 2 books, because some of them are about students' life. Han Han is 3 Shanghai. He's twenty-eight 4 old. He can 5 Chinese and English. Han Han likes running,playing football 6 computer games. He often 7 on his blog (博客). Students can read his articles (文章) on it. Han Han has 8 yellow dog. It likes to 9 with him. Do you know what Han Han's favorite 10 is? It's the watermelon (西瓜). ( )1. A. America ( )2. A. he ( )3. A. of ( )4. A. days ( )5. A. show ( )6. A. but ( )7. A. watches ( )8. A. a ( )9. A. learn about( )10. A. vegetable B. Chinese B. his B. on B. months B. find B. and B. writes B. an B. look around B. fruit C. China C. him C. from C. years C. speak C. or C. spells C. the C. run around C. dessert 查看答案
题型:单项选择题 在 2L的密闭容器中,充入 1mol N2 和 3mol H2,在一定的条件下反应,2 分钟后达到平衡状态,相同温度下,测得平衡时混合气体的压强比反应前混合气体的压强减小了 1/10,计算:(1)平衡时混合气体中三种气体的物质的量比为多少?(2)N2 的转化率为多少?(3)2分钟内,NH3 的平均反应速率为多少? 查看答案
题型:单项选择题 无循环功能障碍时,哪项指标最能反映组织氧供正常()A.PaO290~98mmHgB.溶解氧0.4ml/dlC.SaO297%D.SpO297%E.血氧含量20~21ml/dl 查看答案