精选优质文档-倾情为你奉上 大学英语六级词汇真题练习题(二十一) 83.The designer has applied for a _ for his new invention. A) tariff B) discount C) version D) patent 84.The toy maker produces a _ copy of the space station, exact in every detail. A) minimal B) minimum C) miniature D) minor 85.An energy tax would curb ordinary air pollution, limit oil imports and cut the budget _. A) disposition B) discrepancy C) defectD) deficit 86.They have decided to _ physical punishment in all local