练习

1.First published in 1927, the charts remain an _______ source for researchers.
　　A intelligent
　　B indispensable
　　C inevitable
　　D identical
　　
2. Please___ dictionaries when you are not sure of____ word spelling or meaning.
　　A search
　　B seek
　　C inquire
　　D consult
　　
3. It ____ you to at least 50% off the regular price of either frames or lenses when you buy both.　　
　　A credits
　　B entitles
　　C presents
　　D tips
　　
4. The __ at the military academy is so rigid that students can hardly bear it.
　　A confinement
　　B convention
　　C discipline
　　D principle
　　
5. Doctors warned agaisnt chewing tobacco as a _____ for smoking.
　　A succession
　　B substitute
　　C revival
　　D relief

答案及详解

答案 1-5BDBCB
　　
1.选B indispensable to do sth, indispensable for sth/ doing sth 不可缺少的,必需的
　　inevitable 不可避免的，必然发生的
　　identical同一的,identical to/with sb/sth与……完全相同的
　　
2.选D consult with sb 与某人商量,consult查阅
　　
3. 选B entitle sb to sth(用于被动语态) 给某人获得某事物或权利
　　
4. 选C discipline 训练方式,处罚
　　confinement限制，监禁
　　convention大会
　　
5.选B substitute 代替, 替用品
　　revival恢复，苏醒