第23题: [单项选择]There will be more than 900 graduates from this university this year, ______ only one third could work in the state-run industry. A. from whom B. in them C. of whom D. by which 参考答案:C 答案解析:此项引导非限制性定语从句。正常语序应是“only one-third of whom”。whom引导从句置句首。又因whom是of的宾语，一起置句首。
第24题: [单项选择]多发生于全结肠 A. 克罗恩病 B. 肠结核 C. 溃疡性结肠炎 D. 小肠憩室 E. 平滑肌瘤 参考答案:C
第31题:[多选题]On the mucous membrane surface of the urinary bladder, which of the following structures can be identified? A.external urethral orifice (尿道外口) B.ureteric orifices （输尿管口） C.internal urethral orifice (尿道内口) D.trigone of bladder E.interureteric fold (输尿管间襞) 参考答案:BCDE
