精选优质文档-倾情为你奉上专题一：数字的表达基数词和序数词的运用，如计算、购物等.基数词: One, two, three, five, six, seven, eight, nine, ten , eleven, twelve, thirteen, fourteen, fifteen twenty, twenty-one thirty, forty, fifty eighty, ninety, one/a hundred , one/a hundred and one two hundred.序数词: first , second , third , fourth , fifth, sixth, seventh, eighth, ninth, tenth, eleventh, twelfth twentieth, twenty-first, twenty-second, twenty-third, twenty-fourthirtieth, fortieth, fiftieth eightieth, ninetieth专题二：颜色的表达
