Some students at the Open University left school 20 years ago. Others are（41）but all must be at least 21 years old. This is（42）example of how the Open University is different（43）all other universities. Its students must（44）work full-time or be at home all day,（45）instance, mothers of families. They do not（46）to pass any examination before they are（47）as students. This is（48）the university is called open. The university was（49）in order to help a（50）group—people who missed（51）a university education when they were young.The first name for the Open University was The University of the Air. The idea was to teach on the air, in other words,（52）radio and television. Most of the（53）is done like this. Radio and television have brought the classroom into people’s（54）. But this, on its own, is not enough for a university education. The Open University student also（55）advice at one of 283 study centers in the county. 36 weeks of the year he has to send（56）work to a tutor, the person who（57）him. He must also spend three weeks every summer（58）a full-time student. Tutors and teachers（59）and study together, as in other universities. At the end of the Open University’s first year, the results were good. Three or four students passed their examinations.（60）they do this every year, they will finish their studies in four or five years.

A.young B.old C.younger D.older
问题2：
A.a B.one C.another D.first
问题3：
A.of B.for C.at D.from
问题4：
A.either B.neither C.both D.each
问题5：
A.as B.for C.at D.with
问题6：
A.get B.come C.have D.go
问题7：
A.accepted B.taken C.entered D.received
问题8：
A.that B.whether C.where D.why
问题9：
A.served B.started C.built D.made
问题10：
A.knowing B.known C.certain D.specialized
问题11：
A.having B.to have C.entering D.to enter
问题12：
A.in B.at C.from D.on
问题13：
A.work B.learning C.teaching D.classes
问题14：
A.houses B.families C.homes D.households
问题15：
A.receives B.received C.accepts D.accepted
问题16：
A.writing B.reading C.written D.read
问题17：
A.guided B.guides C.teaches D.taught
问题18：
A.for B.as C.by D.with
问题19：
A.come B.came C.meet D.met
问题20：
A.When B.If C.As D.Since