我们都知道语法词汇的重要性，这就需要同学们平时多加训练，环球博海小编特整理了2013年英语四级语法词汇强化习题(31) ，希望能够帮助到大家!

　　291.This university has _______ a great deal since our last visit.

　　A.appeared B.altered C.approached D.admired

　　292.She is narrow minded and always _______ what other people have.

　　A. jealous B.owes C.misses D.envies

　　293.When he woke up from his dream, the frightened boy tried to _______ his mother's arm.

　　A.grape B.grey C.grip D.grave

　　294.Mary has never been _______ a ship.

　　A.abroad B.aboard C.above D.absorb

　　295.The modern camera lens may be coated with more than ten _______ for each piece of its glass.

　　A. levels B.stories C.layers D.formations

　　296.The thief was _______ by the police at the railway station.

　　A.carpet B.mined C.captured D.mounted

　　297.In fact, there is no _______ liberty in any country.

　　A.adequate B.absolute C.private D.practical

　　298.There is too much noise outside. I can not _______my attention on my work.

　　A.connect B.flat C.fill D.concentrate

　　299.While studying at U.C.L.A.,Mr.Wang _______ his old friend, whom he has not seen for nearly twenty years.

　　A.encountered B.whispered C.swung D.maid

　　300.The _______ production of engines in our factory has doubled this year.

　　A.manual B.annual C.amount D.alike