随堂演练即时体验 巩固提升 ⅰ.词义辨析 1．diet, food ①the sick man must not go without ________， but he must have a ________ without sugar. ②we can't survive for long without ________. ③it's important to have a balanced, healthy ________. 答案 ①food; diet ②food ③diet 2．fit, match, suit
