1、Unit 2 Section Grammar & Writing课时作业.选词填空1You mustnt go there alone; its too dangerous.(mustnt/neednt)2Its so near; we shouldnt have taken a taxi.(shouldnt/cant)3You oughtnt to have spent so much time playing computer games.(mustnt/oughtnt to)4Shall I leave the room so that you two can talk?No，you n
2、eednt.(mustnt/neednt)5He cant have missed the train; he arrived at the train station two hours early.(cant/mustnt)6Well be very glad if you can join us in going camping.(can/may)7They had to stay in the office last night because of the snowstorm.(have to/must)8We should have helped him; in that case
3、, he would have been able to finish the work.(should/can).阅读理解A“Old wives tales” are beliefs passed down from one generation to another. For example, most of us remember our parents telling us to eat more of certain foods or not to do certain things. Is there any truth in these teachings? Some of th
4、em agree with present medical thinking, but others have not passed the test of time.Did your mother ever tell you to eat carrots because they are good for your eyes? Scientists now report that eating carrots can help prevent a serious eye disease called macular degeneration. Eating just one carrot a
5、 day can reduce the possibility of getting this disease by 40%. Garlic is good for you, too. It can kill the type of virus that causes colds.Unfortunately, not all of Moms advice passed the test of medical studies. For example, generations of children have been told not to go swimming within an hour
6、 after eating. But research suggests that there is no danger in doing so. Do sweets cause tooth problems? Well, yes and no. Sticky sweets made with grains tend to cause more problems than sweets made with simple sugars.Even though science can tell us that some of our traditional beliefs dont hold wa
7、ter, there is still a lot of truth in the old wives tales. After all, much of this knowledge has been accumulated (积累) from thousands of years of experience in family health care. We should respect this body of knowledge even as we search for clear scientific support to prove it true or false.【解题导语】
8、我们大多数人都记得父母告诉过我们要多吃某些食物或者不要去做某些事情。这些告诫是对的吗？实际上，其中一些是与现在的医学思想相符的，而另外一些却是经不起考验的1Which of the following is TRUE according to the text?AEating garlic is good for our eyes.BSticky sweets are damaging to our teeth.CSwimming after a meal is dangerous.DCarrots prevent people from catching colds.解析：选B细节理解题。由
9、第三段最后一句“Sticky sweets . tend to cause more problems than sweets made with simple sugars.”可以看出，sticky sweets的确对牙齿有害。2The author develops the third paragraph mainly .Aby cause and effectBby order in spaceCby order in time Dby examples解析：选D推理判断题。第三段第一句是主题句。接着本段举了“饭后一小时内游泳”和“吃糖”这两个例子来支持主题句。因此，这一段主要是通过举例
10、来论述的。3The phrase “hold water” in the last paragraph most probably means “ ”Ato be believable Bto be valuableCto be admirable Dto be suitable解析：选A词义猜测题。“dont hold water”与“there is still a lot of truth”意义相对立，那么“hold water”与“there is still a lot of truth”意义相似，因此A项正确。4What is the authors attitude toward
11、s “old wives tales” in the text?ASubjective. BObjective.CDissatisfied. DCurious.解析：选B观点态度题。综合全文，作者既指出了一些传统说法是正确的，又说明了一些传统观念是没有科学依据的。最后一段作者表明了对这些观念的尊重，因此可以看出作者的态度是客观的。BDo you love holidays but hate the increase in weight that follows? You are not alone.Holidays are happy days with pleasure and delici
12、ous foods. Many people, however, are worried about the weight that comes along with these delicious foods.With proper planning, though, it is possible to control your weight. The idea is to enjoy the holidays but not to eat too much. You dont have to turn away from the foods that you enjoy. The foll
13、owing suggestions may be of some help to you.Dont miss meals. Before you leave home for a feast (宴会), have a small, lowfat snack. This may help to keep you from getting too excited before delicious foods.Begin with clear soup and fruit or vegetables.A large glass of water before you eat may help you
14、 feel full.Use a small plate; a large plate will encourage you to have more than enough.Better not have highfat foods. Dishes that look oily or creamy have much fat in them.Choose lean meat. Fill your plate with salad and green vegetables.If you have a sweet tooth, try mints (薄荷) and fruit. They don
15、t have fat content as cream and chocolate.Dont let exercise take a break during the holidays. A 20minute walk after a meal can help burn off excess calories (多余的热量)【解题导语】本文是一篇说明文。文章主要就如何在假期里保持体重给出了饮食方面的建议。5Holidays are happy days with pleasure but they may .Abring weight problemsBbring you much trou
16、ble in your lifeCmake you worried about your foodsDmake you hate delicious foods解析：选A细节理解题。根据第二段可知，假日是充满乐趣、品尝美食的快乐的日子，但是很多人担忧随之而来的体重问题，显然A项正确。6In order to really enjoy your holidays without putting on weight, youd better .Adrink much water and have vegetables only Bnot eat too much food in high fatC
17、not accept invitations to feastsDturn away from delicious foods解析：选B细节理解题。根据第三段中的“The idea is to enjoy the holidays but not to eat too much.”以及倒数第四段中的“Better not have highfat foods.”可以看出，要想在假日快乐又不增加体重，最好别吃富含过多脂肪的食物。7According to the passage， is a necessary part to stop you from putting on weight.Ave
18、getables BwaterCcalories of energy Dphysical exercise解析：选D推理判断题。根据常识可知蔬菜、水和热量不能阻止增加体重；结合最后一段“Dont let exercise . can help burn off excess calories.”可知D项正确。8Many people cant help putting on weight after the holidays because they .Acant control themselvesBgo to too many feastsCenjoy delicious foodsDca
19、nt help turning away from the foods解析：选A推理判断题。根据作者所提建议推理可知，许多人因为不能自我控制，假期过后增加了体重。所以选择A项。.语法填空Eating at restaurants hasnt always been known as the best choice for people 1 are trying to keep a healthy diet. It is 2 (extreme) hard for people to avoid food that isnt so good for them when dining out. Ho
20、wever, you dont have to give 3 your love of restaurants. There are ways that you can eat healthier food when dining out while you can still enjoy the experience.One method is to take time 4 (read) the nutrition information. Some restaurants post it on their menus or their website. If you know youre
21、going to visit 5 certain restaurant, you should check the website first. If no nutrition information 6 (list), you should check the menu at the restaurant before you order.Another way is to think about not eating cream or butter sauces. Instead, consider 7 (choose) a sauce that could add a rich flav
22、our to your food without extra calories (卡路里)All restaurants have water available. Whether it is free 8 you have to buy it, you should choose to drink water over other drinks like beer or soda, which contains a lot of calories.Eating out doesnt have to be an unhealthy 9 (decide) as long as you make
23、wise choices. You could still enjoy all of the benefits of dining out and be 10 (please) with your choices later on.【解题导语】本文介绍了在外面吃饭时如何健康地饮食。1解析：设空处引导定语从句，修饰先行词people 且在从句中作主语，故填who/that。答案：who/that2解析：设空处修饰形容词hard，故填副词extremely。答案：extremely3解析：give up 意为“放弃，停止”。答案：up4解析：take time to do sth. 意为“花时间做
24、某事”。答案：to read5解析：restaurant 是可数名词且在此表泛指，故填a。答案：a6解析：information与list之间是被动关系，且此处表示一般情况，故填is listed。答案：is listed7解析：consider doing sth. 意为“考虑做某事”。答案：choosing8解析：whether . or . 意为“不管还是”。答案：or9解析：由an unhealthy 可知，此处应填名词decision。答案：decision10解析：be pleased with sth. 意为“对某事满意”。答案：pleased.书面表达少年宫的体育馆为满足学生锻
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