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1、Unit 1 HEALTHY FOOD DOES A BODY GOOD(导学案)I.Language focus word study and expressions 1. Choose the sentences that match the meanings of the underlined words as they are used in the text. ( )(1) A. Sugar and starch are broken down in the stomach. B. Our car broke down and we had to push it off the ro
2、ad.C. When we gave her the bad news, she broke down and cried.D. The firemen had to break the door down to reach the people trapped inside. ( )(2) A. The company is concentrating its resources on developing new products. B. In the dry season, the animals tend to concentrate wherethere is water.C. Th
3、e government s plan is to concentrate new industries in poor areas . D. I cant concentrate on my work with all that noise going on.( )(3) A. We watched a child skipping stones across the lake.B. Im trying to lose weight, so Im skipping lunch today. C. She watched her little granddaughter skip down t
4、he path. D. The police think that the bank robbers must have skipped the country by now.( )(4) A. Fish take in oxygen through their gills ( 鳃 ). B. Ill have to take this dress in at the waist - - it s too big. C. Don t be taken in by his attractive manners; hescompletely bad . D. It was an interesti
5、ng exhibition, but there was too much to take in at once II. Grammar 现在完成时( The present perfect tense)现在完成时表示以前发生的动作或情况对现在造成的影响或结果,可以是:1.到现在为止的这段时间内发生的情况(可能是多次动作的总和,也可能是某种状态和习惯性动作)。 How many pages have you covered today? 你今天看了多少页?(动作的总和)She has been ill for three days. 她已经病了三天了。(状态) I have always wa
6、lked to work. 我一直步行上班。(习惯性动作)2.对现状有影响的某一已发生的动作。 I have seen the film many times. 这部电影我看过好些次了 Youve grown much taller. 你长得高多了。 The city has taken on a new look. 这座城市有了新面貌。这个时态的基本特点是它和现在有密切的联系,或是讲迄今为止这一段时间的情况,或是讲一个影响现状的动作,这样它不是从时间上就是从后果上和现在联系了起来。特点我们可以判断什么时候用一般过去时,什么时候用现在完成时。1.当有一个表示过去某时的状语(包括when)时,不
7、能用现在完成时,而多用一知去时。 I saw her a minute ago. 我刚才还见到她了。 2.在用 already, yet, just, as yet, ever, never这类副词作状语时,常用现在完成. This is the second game. Theyve already won a game.这是第二场。他们已经赢了一场3.在单纯谈一个过去的动作,不涉及它对现在的影响时,通常用一般过去时;如果件已经发生的事,不考虑它是什么时候发生的,而主要考虑它对现在的影响多用现在完成时。 Did you get up very early? 你起得很早吗?(着眼于动作本身)
8、Has he got up? 他起来了吗?(着眼于现在情况) 练习 Use either the present perfect tense or the past tense of the given word to complete each of the following sentences. (1) They_ (go) to America last year. (2) Im sorry. I_ (forget) your name.(3) My friend_ (finish) college last year. (4) He _ (not speak) to me since
9、 we _ (quarrel)(5) She _ (rise) with the first rays of the sun this morning.(6) My uncle_(buy) a bike last month.(7) He_ (never visit) Hangzhou before.(8) The man _ (lose) a large sum of money yesterday.(9) The workman _ (just be interviewed) by the engineer, who was pleased to see him.(10) I _ (rea
10、d) that book through in the library.III.Tasks for reading Please fill in the blanks based on your reading. After an overnight fast of eight to twelve hours, the brain needs fuel. The body (1)_ food to produce this fuel in the form of glucose. Glucose levels are associated with(2) _function . Breakfa
11、st eaters tend to pay(3)_ attention to their teachers in class. Besides, they display more (4)_ by late morning, have more (5)_, and better at (6)_. Importantly, students who eat breakfast (7)_ tend to have better health overall. They (8)_balanced nutrients and may even have less chance of becoming
12、overweight than breakfastskippers. Breakfast is the most important meal of the day, which(9)_ at least 1/4 to 1/3 of a childs daily needs for nutrients. A piece of bread and a glass of milk take (10)_time to prepare.IV.Tasks for further reading 1. Read the text again and answer the following questio
13、ns. (1) How can we have a balanced diet?_ (2) What are the bread /cereal items rich in? _(3) What is the primary function of carbohydrates?_ 2.Read and fill in the blanks. (1) _ contains a lot of carbohydrates. The main function of carbohydrates to provide _ for your body. (2) _ contains a lot of vi
14、tamin C helps your body_. (3) _ contains protein. You need protein to _. (4) _ contains calcium. Calcium is necessary for the growth of _. (5) Fats gives you _ and are also essential for_. Unit 1 导学案答案I.language focus1. ADBAII.Grammar (1) went (2) have forgotten (3) finished (4) has not spoken , quarreled (5) rose (6) bought (7) has never visited (8) lost (9) has just been interviewed (10) readIII.Tasks for reading
