Unit 2 Healthy eating1、 diet n.根据语境猜词义(1) She is on a diet in order to lose weight. (2) It's important to have a balanced, healthy diet. 根据语义找匹配A. 日常饮食 B. (病人或减肥者的)特种食品 (1) B (2)A be / go on a diet 节食 put sb. on diet 让某人节食a balanced diet 均衡饮食diet/food diet 特指维系健康的定量或定质的食品，常用于病人、减肥者等的食物。是可数名词。 They are seeking the most reasonable diet which will do good to their health. food 是一般用法。指能维系生命的、能充饥的、能吃能喝的东西。作为食物，是不可数名词；作为食物种类，是可数名词。 We must have food to eat and clothes to wear. The children jumped with joy at sight of all kinds of foods on the table. 用 food/diet 填空 The sick man must not go without (1) food， but he must have a (2) diet without sugar. 2、 energy n.根据语境猜词义(1)It's important and necessary to try to save energy. (2)Young people usually have more energy than the old. 根据语义找匹配：A. 能源 B. 精力、活力 (1) A (2) B energetic adj. 精力旺盛的； 精神饱满的用心 爱心 专心1energetically adv. 精力旺盛地； 精神饱满地energysaving adj. 节约能源的nuclear energy n. 核能 solar energy n. 太阳能be full of energy 精力充沛devote one's energy to 致力于energy/force/power/strength energy 物理学意义上的“能、能量”；生理学上的“精力、活力”。 Though he is very thin and small, he is full of energy.force 指外在的“力量、武力”；也指自然界的力量，复数常指“兵力、军队”。I was prevented from coming by force of situation. the air forces 空军power 指“能力、权力”或内在的“力”；也指人或机器等潜在的或能发出的力量。I shall do everything in my power to rescue. Knowledge is power. strength 指人的“体力、力气”和“长处”；指物的“强度”。 He pulled the injured person from the ruins with all his strength. 单项填空 ( )(1) — You are a...
