第25题: [单项选择]As one of the youngest professors in the university, Mr. Brown is certainly on the ______ of a brilliant career. A. porch B. threshold C. edge D. course 参考答案:B 答案解析:[译文]作为大学里最年轻的教授之一,Brown先生当然会有一个辉煌的事业前景。
[题解]固定搭配:porch“门廊”;threshhold“门槛;入门,开端”,on the threshold of