【新课标人教版】2012届高英语一轮复习精品学案：必修三 unit2 healthy eating .doc【新课标人教版】2012届高中.docVIP

Unit 2　Healthy eating 1、 diet n. 根据语境猜词义 (1) She is on a diet in order to lose weight. (2) Its 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)Its 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 energetically adv. 精力旺盛地； 精神饱满地 energy-saving 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 ones 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 always full of______. Can you tell me the secret? —Taking plenty of exercise every day. A. power B. strength C. force D. energy D　本题考查名词词义辨析。句意：——你总是精力充沛，能告诉我其中的奥秘吗？——每天进行大量的锻炼。 (　　)(2) Our country is performing reforms in many fields, one of ______ is electric ______. A. that; force B. those; strength C. them; energy D. which; power D　句意：我们国家在许多领域在进行着改革，其中的一项就是电能改