CHAPTER PARTS OF SPEECH Ⅱ、 NUMERALS 1). The ways to express a fraction general form 7/9 seven ninths a(one) half 零点几伏 a few/several tenths of a volt1). The ways to express a fraction (1) general form 7/9 seven ninths 1/2 a (one) half 零点几伏 a few/several tenths of a volt CHAPTER I PARTS OF SPEECH Ⅱ 、NUMERALS