Universities are institutions that teach a wide variety of subjects at advanced levels. They also carry out research work aimed at extending man's knowledge of these subjects. The emphasis given to each of these functions   __21_____from university to university, according to the views of the people in ___22___ and according to the resources available. The smaller and newer universities do not ____23_____ the staff or equipment to carry out the vast research projects possible in larger institutions. But most experts agree that some research activity is _____24______ to keep the staff and their students in ____25_____ with the latest developments in their subjects. Most students attend a university mainly to ____26_______ the knowledge needed for their chosen profession. Educationists believe that this aim should not be the only one. Universities have always aimed to produce men and women with judgment and wisdom as well as knowledge. For this reason, they ____27____ students to meet others with differing _____28_____ and to read widely to increase their understanding in many fields of study. Upon a secondary school course, a student should be interested enough in a subject to enjoy gaining knowledge for its own _____29_______. He should be prepared to ____30______ every effort to study his chosen field in depth. He should have an ambition to make some truthful contribution to man's knowledge. 21.A.turns       B. ranges       C. moves            D. varies 22.A. order      B. place         C. control              D. favor 23.A. occupy     B. possess       C. involve          D. spare 24.A. natural     B.casual       C. possible          D.essential 25.A. effect      B. mind        C. touch                D. grasp 26.A. acquire     B. accept       C. endure          D. ensure 27.A. arrange     B. suggest     C. encourage              D. anticipate 28.A. histories   B. interests          C. expressions         D. curiosities 29.A. object      B. effect        C. course           D. sake 30.A. take       B. make          C. suffer             D. pay