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1、課時作業(yè)(十二)必修3Unit 2Healthy eating(限時：45分鐘) .語法填空Vitamins are complex chemical substances 1._ (find) in many foods. The human body needs them for health and 2._ (grow). The body makes some vitamins, 3._ usually in amounts too small to meet its needs. 4._ vitamins are not made in the body. These must be
2、 supplied. No one knows exactly 5._ all vitamins work. Doctors 6._ know that vitamins have very special uses. One vitamin 7._ cannot take the place of another. The steady absence of one vitamin in 8._ otherwise complete diet causes a deficiency disease. Rickets, scurvy, and pellagra are examples of
3、deficiency diseases.It is best to obtain vitamins 9._ eating the foods in which they occur. There are also pills that contain a single vitamin or a combination of vitamins. People should consult 10._ doctors before they take any vitamin pills.閱讀理解AYou know eating fruit and vegetables does good. But
4、do you know it can also make you look good? People who increased their intake over just six weeks developed a healthy glow and appeared more attractive, researchers found. Scientists at St Andrews University found eating them slightly increased yellow and red pigments in the volunteers skin. They mo
5、nitored the food intake of 35 people and took pictures of their faces, arms and hands using a sensitive camera at the start, and after three and six weeks. Increasing their intake of greens by 2.9 portions a day was found to make the person look more healthy and an extra 3.3 portions could enhance t
6、heir attractiveness, when their photographs were rated by others. Fruit and vegetables are rich in carotenoids (類胡蘿卜素), which are known to protect against cell damage from pollution and UV rays, and can also prevent agerelated diseases including heart disease and cancer. But while it was known eatin
7、g extreme amounts of certain vegetables such as carrots could turn skin orange, it was not known a small increase was perceptible (被覺察) to others and was seen as appealing.A camera measured changes to the skins redness, yellowness and lightness, and found it significantly changed in people who natur
8、ally increased their intake. These changes were not evident in three weeks. Using light sensors, the researchers showed these red and yellow hues were linked with the levels of carotenoids in their skin. There are hundreds of carotenoids but those thought to have the most dramatic effect are lycopen
9、e (番茄紅素), which gives tomatoes and red peppers their red colour and betacarotene found in carrots as well as broccoli, squash, and spinach. Skin colour is also affected by chemicals called polyphenols (多元酚), found in apples, blueberries and cherries, which cause blood rush to the skin surface.11What
10、 do we know from the research?AIf you take in a little more fruit and vegetables, you will obviously look more attractive in three weeks. BThe researchers took the pictures of 35 people in the research at different stages. CIncreasing your intake of greens by 2.9 portions a day can greatly improve y
11、our health. DPeople who increased their intake of greens by 3.3 portions a day were found the most attractive after six weeks. 12Which of the following is NOT the function of carotenoids?AThey can protect against cell damage from pollution and UV rays.BThey can prevent heart disease and cancer.CThey
12、 can prevent agerelated diseases.DThey can keep you in good health.13Which of the statements is NOT true according to the passage?AWeve already known eating extreme amounts of carrots can turn skin orange. BWe knew in the past that eating a few more carrots could make us look appealing. CThe researc
13、h showed the improvement in skin is linked with the levels of carotenoids in it.DAmong hundreds of carotenoids, lycopene is thought to have the most dramatic effect on the skin. 14We can infer from the passage that _Askins redness, yellowness and lightness make a person look more healthy and attract
14、iveBcarotenoids have the same effect as lycopeneCit is carotenoids that give tomatoes and red peppers their red colourDboth betacarotene and polyphenols affect skin colour by causing blood rush to the skin surface15Which can be the best title of the passage?AEating fruit and vegetables does goodBFru
15、it and vegetables are rich in carotenoidsCHow to become attractiveDEating fruit and vegetables makes you look goodBIf you walk around any large city, youll find a coffee shop on every corner. Many shops offer comfortable sofas, large screen televisions and sometimes even live music. More and more te
16、enagers are hanging out there. My preteen has already done so after school once a month but she always orders fruit juice. I think she would drink coffee sooner or later, so I started doing some research online.I found out that coffee in moderation can be safe. But one thing that was constant online
17、 was the chance of becoming addicted to coffee. Coffee is one step up from soda but still not as dangerous as energy drinks or alcohol. Still, any addiction is hard to break. So I needed to come up with a plan that would protect my child.Coffee shops offer a safe place for teens to hang out. As like
18、 anything else you let your children do, you need to set limits. Drinking coffee while socializing once or twice a week will not cause a severe caffeine addiction. However, you should avoid allowing a cup of coffee every morning and ensure they get adequate sleep each night, which will make them les
19、s likely to feel the need to drink coffee.As parents we have responsibility to set a good example. If youre addicted to caffeine, its time to start monitoring your intake. If you drink much water and keep healthier drink options in your fridge and at your dinner table, your teen will follow you. I d
20、rink much water and so do both my children. My_kids_learn_more_from_watching_me_do_things_than_they_will_ever_learn_from_my_verbal_teaching.As a mother, Im ready to allow my child to try coffee, and well talk about it and discuss the pros and cons of consuming this. I feel open communication is vita
21、l in helping them make good decisions. Although, the decision to drink coffee doesnt pose the same dangers as underage drinking, it still deserves a thoughtful conversation.16The author began to do research on coffee in order to _Aoffer some good advice to coffee shopsBguide her daughter to drink co
22、ffee properlyCstop her daughter hanging out in coffee shopsDlet her daughter believe that fruit juice is healthy17What might be the content of the plan the author would come up with?AHow her daughter can keep safe.BWhy coffee is as dangerous as alcohol.CHow her daughter can avoid caffeine addiction.
23、DWhat benefits her daughter can achieve from coffee.18According to the text, if teens have enough sleep, they _Awill not ache for coffee that muchBwill not hang out in coffee shopsCwill not drink coffee for everDwill drink water instead of coffee19What does the underlined sentence in the fourth para
24、graph imply?AThe authors children dont like to talk with her.BThe author thinks a good example functions better.CThe author is living in harmony with her children.DThe author doesnt want her children to learn from her.20Which of the following statements agrees with the authors opinions in the text?A
25、Teens should stop from entering coffee shops.BCoffee shops should not offer many options to teens.CTeens activities in coffee shops should be limited strictly.DParents should not force their children to stop drinking coffee.讀寫任務閱讀下面的短文，然后按照要求寫一篇150詞左右的英語短文。As Teachers Day draws near, many Chinese pa
26、rents have been thinking hard over gifts that are appropriate for the teachers of their children. Some have turned to the Internet for gift suggestions, including a mother named Yang whose child attends kindergarten. “What should I send and what kinds of gifts are appropriate? We are in a difficult
27、situationwe cannot afford very expensive gifts, but teachers will not be impressed if the gifts are too cheap，” Yang wrote on a website.Some parents, however, do not realize that some teachers are also under great pressure because of the gifts. “No more gifts, or I will run out of money！” complained
28、 a young teacher on Weibo.“Many parents send me some shopping tickets for Teachers Day so I put them in a new dictionary and let their children bring them back to their parents，” the teacher wrote. A teacher named Zhu, said he feels “worried” every time parents send him money or shopping tickets. “I
29、t is not whether to accept the gifts, but how to return them that worries me. I tried to persuade parents to take them back. But I will use the money or shopping tickets from the stubborn parents to buy books for the class，” said Zhu.寫作內(nèi)容1以約30個詞概括以上短文的內(nèi)容；2以約120個詞就“教師節(jié)家長是否該給老師送禮”這一主題發(fā)表你的看法，內(nèi)容包括：(1)說說
30、你對該問題的看法，并簡單說明原因；(2)談談你印象最深的一次教師節(jié)；(3)談談你認為學生給老師的最好的教師節(jié)禮物。寫作要求1作文中可使用親身經(jīng)歷或虛構(gòu)的故事，也可以參照閱讀材料的內(nèi)容，但不得直接引用原文中的句子；標題自擬。2作文中不能出現(xiàn)真實姓名和學校名稱。評分標準概括準確，語言規(guī)范，內(nèi)容合適，語篇連貫。參考答案課時作業(yè)(十二).1.found考查非謂語動詞。作定語，表被動，所以用過去分詞。2growth考查詞形變化。由表示并列關(guān)系的連接成分and以及前面的health可以看出，應該用名詞形式。3but考查連詞。很顯然，“身體產(chǎn)生的維生素”和“這些維生素量太小不能滿足需要”之間是轉(zhuǎn)折關(guān)系，所以
31、用but。4Other考查形容詞。由下文的“These must be supplied”可以看出，除了身體自產(chǎn)的維生素之外，其他的維生素需要外部的供應。5how考查副詞。表示方式，用how。6do考查句式結(jié)構(gòu)。原句中結(jié)構(gòu)完整，所以用助動詞do，強調(diào)謂語動詞know。7therefore考查邏輯關(guān)系。語境為：醫(yī)生們確實知道，維生素有特別的用途，因此一種維生素不能代替另外一種。8an考查冠詞。修飾名詞diet表泛指用不定冠詞。9by考查介詞。表示方式，用by。10their考查形容詞性物主代詞。指主語people的醫(yī)生，修飾名詞作定語，所以用形容詞性物主代詞。.A吃水果不僅對我們的身體健康有益，
32、而且能讓我們看起來更好看、更有吸引力。11B細節(jié)理解題。通過全文第一段可知，調(diào)查者對35個人加量食用水果，從一開始到第三個星期，一直到第六個星期后，各個階段都用高靈敏度的照相機對他們的皮膚進行拍照比照，所以選B。12D細節(jié)理解題。根據(jù)文中第二段可知，類胡蘿卜素能保護免受污染和UV射線的損害，同時能防止與年齡相關(guān)疾病的發(fā)生，如心臟病和癌癥，并未提到D項，所以選D。13B細節(jié)理解題。根據(jù)文中第二段倒數(shù)第一、二句可知，人們知道吃極其大量的某種蔬菜，例如像胡蘿卜能讓我們皮膚變黃，人們并不知道少量吃點胡蘿卜也會被別人看出，并且效果也不錯，所以B項與原文不符。14A推理判斷題。通過文中可知，水果、蔬菜中所
33、含的類胡蘿卜素等成分可以讓人變得更健康，更引人注目，而這是因為這些成分中含有紅色物質(zhì)、黃色物質(zhì)等起作用，所以選A。15D主旨大意題。根據(jù)文中第一段第一、二句可知，吃水果和蔬菜不但對身體有益，而且讓人看起來膚色更好。下文又著重講了吃水果、蔬菜對皮膚的影響，所以選D。B作者在文章中提出了自己對青少年喝咖啡的看法和對父母的幾點建議。16B細節(jié)理解題。從第一、二段的內(nèi)容可知，作者上網(wǎng)做調(diào)查是為了讓自己的女兒正確飲用咖啡，故選B項。17C細節(jié)理解題。從第二段的But one thing that was constant online was the chance of becoming addicte
34、d to coffee.這一句話可知，作者準備制訂計劃，避免孩子喝咖啡成癮，故選C項。18A細節(jié)理解題。從第三段的However，you should avoid allowing a cup of coffee every morning and ensure they get adequate sleep each night，which will make them less likely to feel the need to drink coffee.可知，如果孩子睡眠好，他們想喝咖啡的可能性就小一點，故選A項。19B句意理解題。從第四段的內(nèi)容可知，作者認為父母的榜樣比起單純的說教更
35、能發(fā)揮作用，故選B項。20D推理判斷題。作者在文章中發(fā)表自己的觀點和建議。比較四個選項可知，D項符合題意。.One possible version：When Teachers Day approaches (is at the corner), lots of parents bother about what gifts to send to impress their childrens teachers. However, some teachers are thinking hard about how to send the gifts back.As far as Im conc
36、erned, parents shouldnt spend much money buying gifts for teachers on Teachers Day. It bothers both parents and teachers. Besides, it makes students feel uneasy at school.The Teachers Day that impresses me most was the one in 2010. All our class agreed that nothing could be more precious and meaning
37、ful to the teachers than things that were made with our own hands. Every one of our class made a small gift. Some drew cartoons, some wrote poems, and some recorded songs sung by themselves. When receiving the gifts, the teachers were so amazed and moved and promised to always keep them.As students, it is not the presents we send, but our sincere wishes that matter. As long as our wishes are sincere, the teachers can feel them.
高考英語一輪復習方案 作業(yè)手冊（12） Unit 2 Healthy eating（含解析） 新人教版必修3
