Period FourProject.重点单词1 adj.无用的，无效的 adj.有用的2 adv.大约 adj.大约的，近似的3 vt.& vi.跳过，略过；蹦跳着走 (过去式) (过去分词) (现在分词)4 adv.适当地 adj.适当的5 adv.主要地；通常6 n身体，(器官)系统；体系；制度7 vi.认为，算作；重要；vt.数数8 adj.平静的；和平的 n和平9 vt.& vi.集中(注意力、思想等)；全神贯注 n专心，专注10 n数量11 n丧失，丢失，损失 vt.失去；输掉12 vt.增加；获得，赢得.重点短语1 从长远角度看2 不吃饭3 保持健康4 大量的5 事实上，其实6 失眠7 听从建议8 立刻，马上.重点句式1keep宾语宾补Water helps .水有利于保持身体内部系统清洁。2sobe动词/助动词/情态动词主语Walking and riding your bike count，and .步行和骑自行车就算，校内体育活动也算。.课文阅读理解1According to the passage，skipping meals to control your weight is .Aacceptable Bimproper Cprobable Dimportant2The passage suggests that when you exercise，your body produces some that make you feel peaceful and relaxed.Achemical BchemistryCchemist Dchemicals3Which of the following statements is TRUE according to the passage?AHealthy eating is the only way to keep fit.BIf one skips meals，she/he will still get enough energy and feel fresh.CWater helps keep our systems clean，and drinking enough water will improve our skin and give us healthy hair.DLots of sleep can make us look tired and even cause us to put on weight.4Which of the following is NOT the benefits of doing sports? ATeenagers will have more time to study after doing sports.BTeenagers will feel relaxed after doing sports.CTeenagers will find it easier to concentrate on their studies after doing sports.DTeenagers can sleep better at night after doing sports.5What is the main idea of the passage?AEating the right food and exercising regularly will make you feel and look better.BHealthy eating is the only way to keep fit.CIt is important to give your body enough water，energy and sleep.DEating the right food，drinking plenty of water，exercising regularly and having enough sleep will make a teenager feel and look better.课文阅读填空1. for teenagers to look and feel betterEating the 2. foodIf you 3. meals，you dont get enough energy，and then you feel tired.For a healthy diet，you should eat mostly rice，bread，vegetables and 4. .Drinking enough waterA person needs 68 glasses of water a day because water can keep your system 5. ，improve your skin and give you healthy hair.6. regular exerciseThe advice of experts is that teenagers spend at least 30 minutes exercising，five times a week，because it makes people look good，feel good and be 7. .Having enough sleepA good amount of sleep every night is also 8. for your health.Teenagers need 8 to 10 hours of sleep each night because loss of sleep can make you look 9. and even cause you to gain 10. .重点词汇1Diets are useless in the long term.从长远的角度来看，节食是没有用的归纳拓展1useless adj.无用的；无效的be uselessbe of no use无用的in/out of use经常/不再用的come into use开始被使用bring/put.to use加以使用It is no use doing./It is useless to do/doing.做无用。语境助记1(1)The books are useless to me.这些书对我没用。(2)This word has lately come into common use.这个字最近才开始被普遍使用。(3)It is useless to argue/arguing with that man.与那个人争辩是没有用的。题组训练1(1)完成句子Such information is (无用) at all；it can only cause harm.Youll save electricity by turning off lights (不用)(2)句型转换Reading without understanding is useless.Reading without understanding .归纳拓展2in the long term/run从长远来看in the short term/run就短期而言in terms of就而言，从方面来说语境助记2(1)In the short term we will lose money，but in the long term we will make a profit.从眼前看我们会赔钱，可是从长远看，我们会赚钱的。(2)In terms of money were quite rich，but not in terms of happiness.就钱来说我们很富有，但论及幸福就不然了。题组训练2(1)The job is great (就薪金而言)，but it has its disadvantages.(2)This medicine will have an effect on you (就短期而言)(3)Protecting our environment is very costly，but ， it will benefit the whole society.Ain the long way Bon the long way Con the long run Din the long run 2Walking and riding your bike count，and so do school sports.步行和骑自行车就算，校内体育活动也算。归纳拓展count vi.认为；算作；重要；vt.数数count.as.把视为count up数数count among把计算在内；包括count on指望，依赖语境助记(1)I count you as one of my friends.我把你算作是我的一个朋友。(2)Try to count (up) to ten before you lose your temper.在你发脾气前尽量先数到10。(3)I count Jules and Ady among my closest friends.我把朱尔斯和埃迪算在我最亲密的朋友之内。题组训练(1)用适当的介词填空If you go outing this Sunday，please count me