第23题: [单项选择]He ______ a cold last week. A. had caught B. caught C. has caught D. has had 参考答案:B 答案解析:测试catch a cold的用法。catch a cold是非延续性动词词组,have a cold是延续性动词词组。如:He has had a cold for a week.
第25题: [多项选择]关于败血症的病原学检查正确的是() A. 尽量在应用抗菌药物前及寒战高热时进行血培养 B. 宜反复多次采血送检,采血量至少5~10ml C. 血培养阴性可排外败血症 D. 已用抗菌药物的病例可加氨苯甲酸等破坏抗生素 E. 有条件可做厌氧菌和真菌培养 参考答案:A, B, D, E