1、【 精品教育资源文库 】 Unit 3 Looking good,feeling good (35 分钟 ) .阅读理解 A (2017 辽宁沈阳省示范协作校一模 ) Did you know that sixty percent of your body weight is water?However,a loss of only two percent of this water through dehydration(脱水 ) during exercise can significantly affect your performance.The more you sweat,the
2、 more your exercise performance declines,unless you drink enough to replace your loss of fluids. When you lose too much water,you can overheat quite easily,especially in a warm environment.But this is not the only problem you may be faced with.Dehydration leads to your heart pumping much faster,whic
3、h means exercise becomes more difficult and requires more effort.Despite these problems,however,many of us simply do not take enough fluids in when we head for the gym or set out on a run. So why is this?How do we manage to lose so much water without simply drinking more to replace it?Well,it is eas
4、ier than you think.When we are at rest,we quickly become aware that we are thirsty and will put that right by having a drink.When we exercise,on the other hand,our thirst mechanism(结构 ) does not work as effectively,so we dont notice early enough that we are actually thirsty.In fact,we only start to
5、feel thirsty when we have already lost around two percent of our body weight. Another problem is that,the more dehydrated we become during exercise,the more difficult it is to prevent further dehydration because our stomachs become intolerant to fluids and we do not absorb water properly,just when w
6、e need it most. The key thing about fluids and exercise is to manage your intake properlyregular small amounts are better,and some should be drunk before the period of exercise begins.You also need to match your intake to the sort of exercise you are doing.For instance,for one hour of exercise,such
7、as taking part in a 10 km run,you need to drink about two extra liters of water.For longer periods of exercise,sports drinks are recommended. 1.We know about dehydration during exercise? A.It can be easily avoided. B.It will lead to poor performance. C.It can cause many health problems. D.It will be
8、 controlled whenever we drink again. 2.Why do people suffer from dehydration easily during exercise? A.Their thirst mechanism stops working. B.Their focus is on the exercise. C.Their thirst response is slow. D.Their stomachs are full. 3.What are you advised to do when exercising? A.Have regular brea
9、ks. B.Drink water accordingly. C.Drink sports water in advance. D.Have at least two liters of water. 4.What would be the best title for the text? A.Keep Fit B.Say No to Sports C.Time to Get Drinking D.Ways to Avoid Dehydration 【 精品教育资源文库 】 ? 导学号 23500007? B (2017 广东揭阳一模 ) In agrarian(农业的 ),pre-indu
10、strial Europe,“youd want to wake up early,start working with the sunrise,have a break to have the largest meal,and then youd go back to work,” say s Ken Albala,a professor of history at the University of the Pacific.“Later,at 5 or 6,youd have a smaller supper.” This comfortable cycle,in which the rh
11、ythms of the day helped shape the rhythms of the meals,gave rise to the custom of the large midday meal,eaten with the extended family.“Meals are the foundation of the family,”says Carole Couniban,a professor at Millersville University in Pennsylvania,“so there was a very important interconnection b
12、etween eating together and strengthening family ties.” Since industrialization,maintaining such a slow cultural metabolism has been much harder,with the long midday meal shrinking to whatever could be stuffed into a lunch bucket or bought at a food stand.Certainly,there were benefits.Modern techniqu
13、es for producing and shipping food led to greater variety and quantity,including a tremendous increase in the amount of animal protein and dairy products available,making us more energetic than our ancestors. Yet plenty has been lost too,even in cultures that still live to eat.Take Italy.Its no secr
14、et that the Mediterranean diet is healthy,but it was also a joy to prepare and eat.Italians,says Counihan,traditionally began the day with a small meal.The big meal came at around 1 p.m.In between the midday meal and a late,smaller dinner came a small snack.Today,when time zones have less and less m
15、eaning,there is little tolerance for offices closing for lunch,and worsening traffic in cities means workers cant make it home and back fast enough anyway.So the formerly small supper after sundown becomes the big meal of the day,the only one at which the family has a chance to get together.“The eve
16、ning meal carries the full burden that used to be spread over two meals,” says Counihan. 5.What does Professor Carole Counihan say about pre-industrial European families eating meals together? A.It was helpful in maintaining a nations tradition. B.It brought family members closer to each other. C.It
17、 was characteristic of the agrarian culture. D.It enabled families to save a lot of money. 6.What does “cultural metabolism”(Line 1,Para.3) refer to? A.Evolutionary adaptation. B.Changes in lifestyle. C.Social progress. D.Pace of life. 7.What does the author think of the food people eat today? A.Its
18、 quality is usually guaranteed. B.It is varied,abundant and nutritious. C.It is more costly than what our ancestors ate. D.Its production depends too much on technology. 8.What does the author say about Italians of the old days? A.They enjoyed cooking as well as eating. B.They ate a big dinner late
19、in the evening. C.They ate three meals regularly every day. D.They were expert at cooking meals. 【 精品教育资源文库 】 ? 导学号 23500008? .七选五 (2017 广东汕头一模 ) Summer is the season to dive into new activities,and kick back and relax.And right now is the time to make sure that youre re ady for the great outdoors,
20、the holiday planning and travel,and the bathing-suit beach days. If you want to lose weight before summer,concentrate on dropping no more than a pound or two a week.1. And when you trouble yourself,sooner or later youre going to gain it back.Operate on a 500-calorie-a-day deficit (亏缺 ).2. So if you
21、cut 500 calories a day for seven days straight,youll lose a pound a week right there. Operating at an inadequate (减少量 )of 500 calories a day should involve both eating less and moving more:For example,you could consume 300 fewer calories and burn 200 extra per day. Include both healthy eating and ex
22、ercise in your weight-loss plan,and break the 500-calorie goal into smaller groups to make it more reachable.3. To Cut 100 Calories;4. Have vegetable pizza instead of pepperoni (意大利辣香肠 ).Use our Nutritional Needs Calculator to determine how many daily calories you should consume in order to lose,gai
23、n,or maintain your healthy goal weight.Once youve reached your goal,recalculate your nutritional needs for keeping extra weight off all summer long. To Bum 100 Calories:Spend 15 minutes biking.5. Spend 20 minutes gardening.Keep on exercising at least 30 minutes,three days a week.Reading food labels
24、and counting calories or writing down what and when you eat can give you more control,as well. A.Here are some simple ways to get there. B.Walk or run one mile. C.A pound is 3,500 calories. D.It is okay to have some snacks between your meals. E.You should always make sure you get a lot of sleep. F.A
25、nything more than that usually means youre troubling yourself. G.Eat a chicken breast without the skin. .短文改错 (2017 福建厦门 5 月质检 ) Last Sunday,I joined the voluntary group to help keep the traffic in good order at a big crossing near our school.At 8:00 a.m.,we arrived there,wore red vests with the word VOLUNTEER on the back.We helped with the police remind the passers-by to obey traffic rule.To our delighted,they all waited for the green light patient except one motor-biker.We also give out some hand-made brochures about traffic regulations,fo
