He refused to ___ that he was defeated.

A.burlesque B.conceive C.acknowledge D.probe

我国高等教育大众化过程需要更加关注4个问题：理解高等教育规模扩大的本原，加强人文素质教育，平衡优秀与平等的关系，协调大学与政府、市场间的关系。所有这些都要以明析高等教育哲学的一个根本问题为前提，即大学的根本使命和目标如何定位的问题。现代大学一定要使学生和公众都能够理解大学最终和最基本的使命是什么。大学不是提供获利的手段和就业单位的场所，而是要激发他们理性的光辉和力量，培养学生坚持长远地、全面地看待个人、社会与历史的发展所需要的能力。

Amplifiers such as those in computers and sound reproducing systems are responsible for ______ an erratic input signal.

The ambassador was given the book as a token of the government’s regard for him.

An individual human existence should be like a river—small at first, narrowly contained within its banks, and rushing passionately past rocks and over waterfalls. Gradually the river grows wider, the banks recede, the waters flow more quietly, and in the end, without any visible break, they become merged in the sea, and painlessly lose their individual being. The man, who, in old age, can see his life in this way, will not suffer from the fear of death, since the things he cares for will continue. And if, with the decay of vitality, weariness increases, the thought of rest will not be unwelcome. I should wish to die while still at work, knowing that others will carry on what I can no longer do and content in the thought that what was possible has been done.

Questions 13 to 15 are based on the passage you have just heard.