1.Let me ___________ to my next main point.
A.get on B.hold on C.turn on D.move on
2.The family ___________ their prejudice when they refused to associate with their new neighbor.
A.reveals B.presents C.produces D.revisits
3.In their secondary schooling children got more advanced knowledge and begin to _________ on their special interests.
A.take B.go C.concentrate D.keep
4.For students with families,child-care facilities are often provided ____________ a reasonable cost.
A.at B.in C.to D.by
5.Few sabbatical leaves are interesting enough to ____________ in national newspapers and magazines.
A.describe B.describing C.be described D.be describing
6.What happens when sea water touches different elements ____________ another subject of study.
A.are B.is C.have been D.were
7.The team didn’t expect to win; ___________,they were disappointed at their heavy defeat.
A.moreover B.therefore C.nevertheless D.so that
8.The reason I didn’t attend the lecture was simply ___________ I got a bad cold that day.
A.because B.as C.that D.for
9.At any ________,the medical supplies will reach you within a week.
A.rate B.speed C.percent D.velocity
10.We have been working all week without a moment’s ________.
A.feature B.measure C.pressure D.leisure
11.What time is breakfast ___________ in this hotel?
A.served B.serviced C.surveyed D.survived
12.He expects his son to carry ___________ the family tradition.
A.in B.on C.off D.beyond
13.We kept the old photograph for purely __________ reasons.
A.environmental B.governmental C.fragmental D.sentimental
14.Her research __________ the social effects of unemployment.
A.centers B.cores C.circles D.comments
15.The stamp-collector decided to specialize ___________ Italian stamps.
A.in B.at C.of D.on