1、专四语法词汇详解6Test Six有关否定1)双重否定最常见的形式有：no(not).but.没有不no(not).without.没有不，除不no(not).unless 没有就不not.until 直到才例如：There is no one but knows it.没有一个人不知道此事。2)can not 与副词 too, enough, sufficiently, over, too much等词连用时，意为“无论怎样也不过分” ， “越越” 。例如：You cannot be too careful.你越仔细越好。We cannot praise him too much.我们无论怎
2、样赞扬他也不过分。近义词辨析break, crack, crush, shatter, break, smash这组词均含有“打破”或“挤碎”的意思。break是这组词中最常用的，指使某件东西破碎。If you break that vase, youll have to pay for it.如果打破了那只花瓶，你就得赔偿。crack指打裂某物，但不一定打碎，因而通常不会成为碎片。You may crack these nuts with a hammer.你可以用锤子把这些坚果敲开。crush强调挤压或踩的动作，毁坏程度取决于被压物的组织结构，或变形，或成小块，或可恢复原状。To make
3、 wine, you first crush the grapes.若要造酒，需先将葡萄压碎。shatter打破某物，力大到使碎片飞出很远，常指整件东西完全被毁。The explosion shattered most of the windows in the building.爆炸震碎了那座大楼的大部分窗玻璃。smash突出暴力，击打时动作较猛，被击打的东西往往完全报废。He smashed the window with a brick.他用砖块击碎窗玻璃。试题1. _ native to North America, corn has now spreadall over the world.A. In spite of B. That it is C. It was D. Although2. Our civilization cannot be thought of as _ in a short period of time.A. to have bee
