One of the presents in my house this Christmas was a late 18th-century volume of the Encyclopaedia Britannica （大英百科全書(shū)）.It is a window into the discoveries and thinking of the time.The encyclopaedia is an entertaining reminder of how（1）CC some of our current truths are bound to be.Certainties in areas we haven't yet understood will look just as ridiculous as some of these in centuries to come.And one of those we are still remarkably（2）BB is the effect of food and exercise on our bodies.We're surrounded by confident（3）DD on how to eat，how to avoid or reverse obesity （肥胖），and yet the advice seems pointless while the world gets fatter.Much of what we think we know is a pile of assumptions rather than（4）DD .
Our confusion is the theme of Spoon-Fed，a book by one of Britain's leading nutrition researchers，Tim Spector of King's College London.Its subtitle is： "Why almost everything we've been told about food is wrong." It is a call for us to（5）AA more.
One by one Spector offers answers to recent food（6）DD.Coffee can save our lives，he says.Three to four cups a day reduces the risk of heart disease and may cut the risk of death by 8 per cent.Butter does not damage our hearts，Spector argues，and salt is vital.Eggs have gone "from heroes to villains and back again".Don't say no to all red meat on（7）DD grounds；occasional small quantities of high-quality unprocessed meat provide important vitamins and iron and are "probably good for you".Exercise is so good for longevity and happiness that it should be considered our No 1 drug，but the one thing for which it's（8）BB useless is losing weight.Vitamin pills are a multibillion-pound industry with almost no proven（9）AA but which can cause real harm.Even vitamin D，which Spector used to study and believe in，he now（10）DD.
Spector also offers more than a set of currently（11）CC tips.The science of nutrition has not been solved by him，as he would be the first to admit.His most（12）BB point is that there is no one size that fits all.Our bodies are complex，and our reactions are（13）AA：yet nobody wants to pay for the research that might explain why.
Some combination of food choices，genes，environment and the chemical reactions generated by our microbiome — the unique microbe （微生物的） combinations in our body ― yes different（14）BB for each of us，leaving some lean and two thirds of us too fat.This is the territory Spector wants to explore further and which might just allow us to（15）CC the global trend to obesity，with all the risks we've witnessed this year.
| （1） | A．well-known | B．a(chǎn)im-oriented | C．ill-founded | D．long-lived |
| （2） | A．certain about | B．ignorant of | C．capable of | D．worried about |
| （3） | A．decisions | B．courses | C．focuses | D．suggestions |
| （4） | A．facts | B．chances | C．reasons | D．features |
| （5） | A．investigate | B．demand | C．concentrate | D．spend |
| （6） | A．supplies | B．shortages | C．standards | D．myths |
| （7） | A．culture | B．history | C．economy | D．health |
| （8） | A．equally | B．practically | C．socially | D．impossibly |
| （9） | A．effectiveness | B．consciousness | C．competitiveness | D．emptiness |
| （10） | A．serves | B．shares | C．recognizes | D．dismisses |
| （11） | A．pointless | B．topical | C．defensible | D．a(chǎn)dditional |
| （12） | A．emotional | B．significant | C．questionable | D．forgivable |
| （13） | A．individual | B．unpredictable | C．important | D．a(chǎn)vailable |
| （14） | A．changes | B．outcomes | C．profits | D．a(chǎn)ddicts |
| （15） | A．start | B．a(chǎn)nalyze | C．stop | D．reflect |
【答案】C；B；D；D；A；D；D；B；A；D；C；B；A；B；C
【解答】
【點(diǎn)評(píng)】
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發(fā)布：2024/5/16 8:0:9組卷：28引用：4難度：0.3
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Here are 3 simple things that will help you improve your memory and keep it going strong into your old age．
Get plenty of exercise and rest．
Exercise isn't just good for your physical body，but it is also good for your brain．Exercise increases the amount of oxygen that gets to your brain．（2）When you exercise，your brain produces certain chemicals that help to protect your brain cells．Rest is also an important part of improving your memory．Studies show that key memory improvement happens when you are in those deep stages of sleep，so go to bed early every night．
Have a good laugh as often as you can．
Not only is laughter good for the soul，it is also good for the brain and can help improve your memory．
（3）This helps you to learn more and be more creative．So，go ahead and belt out a good laugh．Not only will others join you，but you will feel much better after doing it．
（4）
Stress has a bad effect on your body，especially the brain．If you let stress stay，it can destroy your brain cells and cause damage to the part of the brain responsible for creating new memories and remembering old ones．So，stay away from stress．It's bad for you．If you are feeling a little stressed，go outside and take a little walk around． （5）
A．Avoid stress．
B．Change your behavior．
C．It also helps to reduce memory loss
D．This will make you feel ten times better．
E．When you laugh you excite many areas of your brain．
F．The health of your brain directly shows how strong your memory is．
G．The human brain is like a muscle and can be trained．發(fā)布：2025/1/1 17:30:2組卷：0引用：2難度：0.5 -
2．Winter is often bitterly cold，which often makes us stay indoors more instead of heading out to exercise．Worse still，there are many viruses doing their best to make you sick．And sneezing，coughing and nose blowing make the rooms a habitat for viruses． （1）
．Touching a doorknob or shaking a hand may make you get sick．Although it may sound terrible，there are still some things you can do to avoid viruses．Here are several simple tips to stay healthy in winters．
Wash your hands
You pick up viruses everywhere and they live on your hands，so wash your hands and do it often．（2）But if that's not available，use an alcohol-based hand sanitizer （消毒殺菌劑）．
（3）．Avoid touching your eyes，nose and mouth with your hands．That's one way viruses can get into your body．
Get the flu shot （疫苗）
（4），but getting the flu shot lowers your chances of getting the flu．For example，getting the flu shot last year resulted in a 34% lower risk of coming down with the flu．
Avoid sick people
（5）．Viruses spread very easily through the air，so keep at least six feet between you and the sneezing，sniffling and coughing person．
A．It's no guarantee
B．Take care of your face
C．Keep your hands away from your face
D．The best way is to use regular soap and water
E．It is easy for viruses to spread from person to person
F．If someone around you is sick，then keep your distance
G．Because there are always some unexpected things in life發(fā)布：2025/1/1 15:0:2組卷：13引用：4難度：0.5 -
3．What is cross country running？Cross country is an outdoor endurance（耐久性）sport that can be mentally challenging and fun.（1）
You're not only putting one foot in front of the other；you're also thinking ahead to barriers and changes in the trail or course.
（2）However，before you begin training and racing，you should be aware of potential injuries and how to avoid them.How can you prevent cross country running injuries？The best ways for outdoor runners to stay healthy include the following running tips：
Stretch daily.For all runners and athletes，a regular stretching routine is an important part of conditioning.（3）
Warm up and cool down.Muscles and tendons（跟腱）are less likely to overstretch or tear if they've been properly prepared for running and racing.High-intensity workouts require more prep and post-workout cool down than low-impact activities.
Wear the right shoes.Make sure your shoes fit properly and that they are neither too tight-fitting nor too loose.（4）
Eat and drink enough.Competitive distance runners like to keep their weight low.However，consuming too few calories can harm your body，especially if you're a girl or woman subject to eating disorders.（5）It's effective to prevent injury and heat illness.Remember that especially in full sun or in humid regions of the state，you particularly tend to have heat stroke.Drink plenty of water before and after running.
A.Cross country running is a sport requiring money.
B.Tie double-knots to prevent tripping over undone laces.
C.It's mostly very safe in comparison to other team sports.
D.Have a well-balanced diet and be sure to stay well-hydrated.
E.You may encounter unexpected，non-natural barriers.
F.It is needed to keep your bones，joints，and muscles healthy.
G.This type of running and racing has both a physical and psychological role.發(fā)布：2025/1/1 15:30:1組卷：3引用：2難度：0.5
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