ppreview里的题,不太明白语法现象,望解释. 改错: Working (by) chemical reaction,and being (independence) of atmospheric oxygen,rockets are used (to power )interplanetary( space) vehicles.
以下是引用jamesdigital在2003-11-11 8:32:00的发言: 又发现一道题迷茫 改错 The Canadian province of Newfoundland (has) a rocky coast,a (moisture) climate,and (probably the) best cod-fishing (areas).