第23题: [单项选择]龙胆的常见伪品为() A. 霞草 B. 风寒草 C. 人参 D. 参薯 E. 桃儿七 参考答案:E
第24题: [单项选择]I decided to go to the library as soon as I ______ A. finish what I did B. finished what I did C. finished what I was doing D. would finish what I was doing 参考答案:C 答案解析:在时间状语从句和条件状语从句中,不使用将来时态,如要表达将来概念,从句则要使用现在时或过去时,由此可见D错误。由于主句谓语动词使用的是一般过去时,因此,A错误。此外,“做完手头的工作’,就是“做完正在