试题详情

Compare this with what happens in the mass production of poultry:there are battery farms,for example,where thousands of chickens live crowded together in one building and are fed on food which is little better than rubbish.Chickens kept in this way are not only tastel ess asfood;they also（ ）eggs which lack important vitamins.

produce用途较广，侧重于制成品的数量，有生产，制造，产生，生（子女），出产等含义。句意：用这种方法喂的鸡吃起来不仅没味道，它们生出的蛋也缺乏重要的维生素。B.manufacture使用范围较窄，一般指用机器制造大量货物。如：manufacture cement,cookers制造水泥、炉具；C.generate一般指产生热、电、动力等。