题目

 Polar bears live mostly on ________ sea ice, which they use as _______ platform for hunting seals.    A. a; a            B. a; the           C. 不填; a            D. the; 不填 答案:C解析: ice 是不可数名词,在这里是泛指。不可数名词即使前面有半泛指性定语也不加the. 如:Chinese history;  platform 是可数名词, 用a表示泛指
英语 试题推荐