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Memory is not an important part in singing in tune. 查看材料
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Ward off Travel Bugs
（1） As the holiday season approaches， so does the prospect of jet lag， an upset stomach or sunburn.
With care and some help fi"om natural sources， however， it is quite possible to avoid these problems.
（2） You can start to prepare a couple of weeks before you leave. Food poisoning will make any holiday miserable， but by taking some medicine such as lactobacillus and bifidobacteria， you can reduce the likelihood of poisoning caused by food or water tainted （感染，污染） with unfamiliar bacteria.
（3） By improving the bacteria balance in your digestive tract， you crowd out the pathogenic （病原的）bacteria and stop them gaining a foothold. The beneficial bacteria also produce gentle but effective natural antibiotics （抗生素） in yourgut.
（4） In many holiday locations you need to remember the basics: drink bottled water， avoid undercooked meat and ensure that food hygiene （卫生） is adequate. If you get food poisoning，drink plenty of water to stay hydrated（保持水分）and see a doctor. However， if you detect diarrhea（腹泻） early enough， you might like to try taking about 10 or 15 pancreatic digestive enzymes， which can digest the multiplying bacteria before they take over.
（5） Taking a teaspoon of silicol gel can also help. This lines the stomach and upper intestinal area and binds with bacteria and viruses， allowing them to be safely passed out of the gut. When you pack，include grapefit-it-seed extract， which is an excellent all-round anti-bacterial， anti- parasitic，anti-viral （抗毒的） and anti-fungal （杀菌的） agent.
（6） Your flight can also be made more pleasant. Peppermint oil and ginger capsules （胶囊） ward off motion sickness， but a more delicious option is to eat crystallized ginger. If you tend to get ear-ache on take-off and landing， you can use special ear plugs with filler that slows down the rate of change in air pressure.
（7） The greatest concern is "economy class syndrome"， the popular name for deep-vein thrombosis （血栓症） ， which can lead to blood clots traveling from the legs to the lungs， heart or brain. To reduce this， you need a couple of hours to stay hydrated， and avoid alcohol.
（8） You can also reduce the severity of inflammation by taking a daily gram of vitamin C with the bioflavonoid quercetin. Vitamin C and quercetin also help to reduce prickly heat.
（9） Finally， if any adverse symptoms persist while overseas， you should see a doctor.
Paragraph 1 ___________ 查看材料
We use the same part of the brain for music and language.
根据以下材料，回答题
The Biology of Music
Humans use music as a powerful way to communicate. It may also play an important role in love. But what is music， and how does it work its magic？ Science does not yet have all theanswers.
What are two things that make humans different from animals？ One is language， and the other is music. It is true that some animals can sing （and many birds sing .better than a lot of people）.
However， the songs of animals， such as birds and whales， are very limited. It is also true that humans， not animals ，have developed musical instruments.
Music is strange stuff. It is clearly different from language. However， people can use music to communicate things——especially their emotions. When music is combined with speech in a song， it is a very powerful form. of communication. But， biologically speaking， what is music？
If music is truly different from speech， then we should process music and language in different parts of the brain. The scientific evidence suggests that this is true.
Sometimes people who suffer brain damage lose their ability to process language. However，they don"t automatically lose their musical abilities. For example， Vissarion Shebalin， a Russiancomposer， had a stroke in 1953. It injured the left side of his brain. He could no longer speak or understand speech. He could， however， still compose music until his death ten years later.
On the other hand， sometimes strokes cause people to lose their musical ability， but they can still speak and understand speech. This shows that the brain processes music and language separately.
By studying the physical effects of music on the body， scientists have also learned a lot about how music influences the emotions. But why does music have such a strong effect on us？ That is a harder question to answer. Geoffrey Miller， a researcher at University College， London， thinks that music and love have a strong connection. Music requires special talent， practice， and physical ability. That"s why it may be a way of showing your fitness to be someone"s.mate. For example，singing in tune or playing a musical instrument requires fine muscular control. You also need a good memory to remember the notes. And playing or singing those notes correctly suggests that your hearing is in excellent condition. Finally ，when a man sings to the woman he loves （or vice versa）， it may be a way of showing off.
However， Miller"s theory still doesn"t explain why certain combinations of sounds influence our emotions so deeply. For scientists， this is clearly an area that needs further research.
Humans，but not animals， can sing. 查看材料
We have diverse ways to solve the problem and shouldn‘t give up the hope.
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