四级英语《分类突破词汇》（12）

文章作者 100test 发表时间 2007:02:25 18:13:40
来源 100Test.Com百考试题网

形容词与副词专练（5）

　　21. I doubt if it is ______ for you to read that book.

　　A) worth C) worthwhile

　　B) worthy D) valuable

　　22. Missiles are now more ______ than ever. It can hit a target over a long distance.

　　A) exact C) correct

　　B) accurate D) definite

　　23. The ______ amount of money was not known though they knew that it was large.

　　A) actual C) genuine

　　B) real D) apparent

　　24. Scientists are searching for the oldest tree ______ from which they can learn a great deal about many matters.

　　A) live C) living

　　B) lively D) alive

　　25. The city government plans to complete its study of the local economy in five years. This is ______ time to do a thorough and complete study.

　　A) adequate C) sufficient

　　B) enough D) ample

　　[答案与精解]

　　21. C 

　　［注释］我怀疑那本书是否值得你去读。worth，worthy，worthwhile都含有“值得的”意思，其基本句式是：sth.be worth sth.或sth.be worth doing／be worthy of sth.／be worthwhile to do sth.或doing sth.

　　22. B 

　　［注释］现在的导弹非常精确，可以准确击中远距离的目标。 accurate准确无误的，其名词accuracy意为“精确度”；A)exact意为“一模一样的，正好的”；C)correct正确的(仅区别对与错)；D)definite明确的(旨在区别确定与不确定)。

　　23. A 