第29题: [单项选择]Those were the graduate assistants ______ to do the research work in the lab. A. to whom it was their responsibility B. whose responsibility there was C. whose responsibility was D. of whom with the responsibility 参考答案:C 答案解析:此题考查属格关系代词引导的定语从句。A、D项应先排除。B项从句的谓语为there be结构,讲不通。因此C项为正确答案。
第32题: [单项选择]微量白蛋白尿期是指尿白蛋白排泄率在() A. 20~300μg/min(30~600mg/24h) B. 30~200μg/min(60~300mg/24h) C. >200μg/min(>300mg/24h) D. >300μg/min(>30mg/24h) E. 20~200μg/min(30~300mg/24h) 参考答案:E