题目内容：
根据下列材料请回答题：Universities are institutions that teach a wide variety of subjects at advanced levels. They also carry out research work aimed -67- extending man's knowledge of these subjects. The emphasis given to each of these functions -68- from university to university, according to the views of the people in -69- and according to the resources available. The smaller and newer universities do no -70- the staff or equipment to carry out the -71- research projects possible in larger institutions. -72- most experts agree that some research activity is -73- to keep the staff and their students in -74- with the lastest developments in their subjects.
Most students attend a university mainly to -75- the knowledge needed for their chosen -76-. Educationists believe that this aim should not be the -77- one. Universities have always aimed to produce men and women -78- judgment and wisdom as well as knowledge. For this reason, they -79- students to meet others with differing -80- and to read widely to -81- their understanding in many fields of study. -82- a secondary school course, a student should be interested enough in a subject to enjoy gaining knowledge for its own -83-. He should be prepared to -84- sacrifices to study his chosen -85- in depth. He should have an ambition to make some -86- contribution to man's knowledge.
A．at
B．by
C．to
D．in
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