Step by Step 3000 第2册 Unit10:Health(1)

 　　Step by Step 3000. Book Two.

　　Unit 10. News 2. Health.
　　Part 1. Warming up.
　　A. Keywords. building, department.
　　Vocabulary. outpatient, physician, roundabout, ward 1, administrative 2, dispensary, surgery.
　　You're going to hear some information about the layout of a hospital.
　　Write the names of the departments in the right positions.
　　First of all, locate the gate at the bottom of the page.
　　When you walk into the compound, the first building on your right is the outpatient department.
　　The first on your left is the emergency department.
　　If you want to go to the physician department, take the first turn on the left and walk straight ahead.
　　You'll see a fountain spring. Pass by it and walk in the same direction. You'll see the physician department.
　　If you want to get your blood tested in the laboratory, walk straight along the main road until you reach a roundabout.
　　Turn left from the roundabout, and walk a few minutes.
　　Take the right turn and the first building coming into your sight is the laboratory.
　　Another building on the same side of the road is the X-ray department.
　　If you turn left from the roundabout, and walk ahead until you reach the end of the road, you will see the eye, ear and throat department.
　　The building next to it, to the north is the dental department.
　　If you want to visit your relatives or friends who are hospitalized, you go the the ward, which is not difficult to find.
　　Take the right turn from the roundabout, and a small lake will come into your view.
　　The winding 3 road along the lake will lead you to the ward.
　　If you go past the roundabout, and walk along the main road for a few minutes, you'll see a building on your right. That's the administrative building.
　　Well, where do we get the medicines? From the dispensary.
　　That's the building facing the outpatient department on the north side of the road.
　　Another building on the north side of the road is the surgery department.
　　B. Keywords. dosage, warnings.
　　Vocabulary. dosage, exceed, administer, diabetes 4, drowsiness 5, chronic 6.
　　You're going to hear some instructions on how to take a certain medication.
　　Note down the dosage, the side effect and the warnings, etc.
　　Remember to check the dosage before you take this medicine.
　　Adults 12 years old and over take two teaspoonfuls, but do not exceed 15 teaspoonfuls per day.
　　Children 6 years old to 12 take half of the adult dosage, but do exceed 7 teaspoonfuls per day.
　　And here are the warnings you should keep in mind.
　　Do not exceed the recommended dosage unless directed by a physician.
　　Do not administer to children under 6 years old or to individual with high blood pressure, heart disease or diabetes.
　　This preparation may cause drowsiness.
　　Do not drive or operate machinery 7 while taking this medication.
　　Chronic cough is dangerous.
　　If your relief does not occur within 3 days, discontinue use and consult your physician.
　　C. Keywords. health tips.
　　Vocabulary. cholesterol 8, elongate 9.
　　You're going to hear some health tips, complete the chart with key words.
　　1. Tea contains natural chemicals.
　　These chemicals block the action of some substances produced in the bodies that cause cancer.
　　Tea can contains the same substances in fruits and vegetables.
　　Drinking tea could protect people's health.
　　2. Cigarette smokers 10 of any age reduce their risk of developing lung cancer when they stop smoking.
　　It is never too late to stop smoking.
　　3. Walking has a good effect on the heart, because it reduces blood pressure, blood sugar and blood cholesterol level.
　　It is never too late to start exercising.
　　4. Vitamins are necessary for good health.
　　However, extremely large amounts of some vitamins may cause health problems.
　　It is far better to get vitamins from eating fresh, natural food than from taking vitamin pills.
　　5. Laughter is one of the most wonderful releases.
　　It releases the chemical that is life-enhancing and life-elongating.
　　It heals wounds and promotes a healthier being.
　　D. Keywords. fatness, spread, food allergies 11, extreme heat, temperatures, stress, sleep, less likely, heart disease.
　　Vocabulary. allergy 12, anaphylaxis, walnut 13, Celsius 14.
　　You're going to four brief news items, focus your attention on who, what, when, where, why and how in each news item. And then answer the questions.
　　Researchers say they have found that fatness can spread from person to person in social groups.
　　When one person gains weight, closed friends often gain weight, too.
　　The study was published last month in the New England Journal of Medicine.
　　The study showed that when a person becomes severely 15 overweight, there is a 57% increased chance that one of their friends will be, too.
　　A sister or brother of the overweight person has a 40% increased chance of becoming fat.
　　The increased risk for a wife or husband is a little less than that.
　　In the United States, experts estimate that up to 4% adults and up to 8% young children have food allergies.
　　Every year, these allergies causes about 60,000 cases of anaphylaxis.
　　A severe reaction that requires immediate 16 treatment.
　　It can result in trouble breathing and in some cases, death.
　　The national institute of allergy and infectious diseases says 100 to 200 people die.
　　It says most of the reactions resulted from peanuts and tree nuts such as walnuts 17.
　　Flood, storms and other natural events kill thousands of people every year. So does extreme heat.
　　Experts say heat may be nature's deadliest killer 18.
　　Recently, extreme heat was blamed for killing 19 more than 100 people in India.
　　Daytime temperature rose to more than 45 degrees Celsius in some areas.
　　On June 11th, the temperature in one desert town hit 51 degrees.
　　Experts say the total heat of a hot day or several days can affect health.
　　Several hot days are considered a heat wave.
　　Experts say heat waves often become dangerous when the nighttime temperature does not drop much from the highest daytime temperature.
　　This causes great stress on the human body.
　　Medical experts say most Americans do not get enough sleep.
　　They say more Americans need to rest for a short period in the middle of the day.
　　They are advising people to sleep lightly before continuing with other activities.
　　One study earlier this year found that persons who sleep for a few minutes during the day will less likely to die of a heart disease.
　　This study followed more than 23,000 Greek adults for about 6 years.
　　Adults who rested for half an hour at least three times a week had a 37% lower risk of dying from heart disease than those who did not nap.