11.People with a positive attitude toward aging can adjust very well when individual circumstances change.Their positive outlook allows them to(50)Cto the inevitable physical and biochemical changes of the body that are associated with the natural(51)Bof aging.With a healthy outlook on the golden years,even unpredictable setbacks and disabilities can be managed(52)A.
Individual genetic makeup (基因构造) explains the great(53)Bin the aging rate.Some seniors experience more challenges than others of the same age,and some seniors continue to function better than many younger people.But genetics only (54)Babout 30 percent of aging.Most of the changes we associate with age(55)Bfactors such as diet and exercise habits; lifestyle issues,including over(56)Cof alcohol and tobacco,and psychological traits.
We can make healthy lifestyle choices by staying(57)A both physically and mentally and by(58)Aa healthy diet.Some of the setbacks associated with advancing age such as(59)Beyesight,loss of hearing,forgetfulness,weakness can be forestalled with some active intervention(干预).
Growing older does not always mean you see poorly.Many older people have(60)Cgood eyesight well into their eighties and beyond.However,the single greatest contributor to vision loss is a lifetime of(61)Dto damaging ultraviolet (紫外线) radiation in sunlight.
Carotenoids(类胡萝卜素),a nutrient found in brightly colored vegetables and fruits,are powerful protectors against free-radical damage.Research shows that simply eating leafy greens and other foods rich in these protective nutrients can(62)Cvision loss.
Problems with hearing can create(63)Band insecurity in later years.One of the major causes of age-related hearing loss is damage to the hair cells in the inner ear that transmit sounds to the brain.These hair cells and their nerve endings can be damaged by infections,genetic diseases,or treatment with certain drugs.The most common cause,(64)D,is loud noise.
50.A.stickB.devoteC.adaptD.lead
51.A.progressB.processC.programD.project
52.A.successfullyB.purposefullyC.unwillinglyD.carefully
53.A.surpriseB.variationC.increaseD.possibility
54.A.relies onB.accounts forC.results fromD.lies in
55.A.involve inB.relate toC.combine withD.substitute for
56.A.reputationB.enjoymentC.consumptionD.encouragement
57.A.activeB.calmC.efficientD.diligent
58.A.maintainingB.feedingC.survivingD.controlling
59.A.keenB.failingC.sharpD.remote
60.A.generallyB.frequentlyC.relativelyD.occasionally
61.A.contributionB.introductionC.explanationD.exposure
62.A.cureB.relieveC.reduceD.suffer
63.A.communicationB.isolationC.competitionD.occupation
64.A.thereforeB.otherwiseC.moreoverD.however
8.CPR is cardiopulmonary resuscitation (心肺复苏).It forces air into the lungs and pumps(用泵抽) blood and oxygen to the brain in order to increase the chances that a person whose heart stops will survive.It increases the chances that he or she will suffer little or no brain damage.
The American Heart Association suggests two ways to perform CPR.One combines the use of hands to pump the victim's chest(胸腔)with rescue breathing.The other method is called"Hands-Only CPR",which is for people who are unwilling or unable to perform rescue breathing.Some people fear infection(感染).Others say they are afraid of making the patient worse.
But the American Heart Association strongly asks people in contact with a victim(受害者) to take action and tells how to take it.It says you can recognize a person needing CPR.He or she is unconscious(无意识)--unable to communicate or react to surroundings or speech.His or her skin has lost color.The person is not breathing.If such conditions describe the situation,chances are the heart has stopped beating.
You should act by calling for help,or sending someone else.Even if you cannot do mouth-to-mouth rescue breathing,you can perform Hands-Only CPR.You can do chest compressions(压迫) that help to keep blood flowing to the brain and the heart.To perform the compressions,place one hand over the other and press firmly on the center of the victim's chest.Push down about five centimeters.Aim for one hundred compressions each minute.
Doctor Sayre suggests that medical workers do both the breathing method and chest compressions as usual.He says some victims,including babies,need the mouth-to-mouth breathing with the compressions.Still,the doctor says it is better to do just chest compressions than to do nothing.

Title:CPR
(71)Aim/purposeTo increase the chances of survival
Types of CPR•The use of hands to pump the victim's chest with (72)rescue breathing.
•(73)Hands-Only CPR.
Who to perform"Hands-Only CPR"People---
•unwilling or unable to perform CPR
•(74)infection
•afraid of making the patient worse
Who to receive CPRPeople---
•(75)unconscious
•(76)unable to communicate or react to surroundings or speech
•pale in pale
•unable to breathe
(77)in skin color CPR•Place one hand on the other
•Press firmly on the center of (78)how
•(79)push down about 5centimeters
•Perform 100compressions each minute
Dr.Sayre's suggestions•In usual cases:
the breathing method and chest compressions.
•In some cases (babies related):
(80)mouth-to-mouth breathing.
7.People in the United States honor their parents with two special days:Mother's Day,on the second Sunday in May,and Father's Day,on the third Sunday in June.These days are set aside to show love and respect for parents.They raise their children and educate them to be responsible citizens.They give love and care.These two days offer a chance to think about the changing roles of mothers and fathers.More mothers now work outside the home.More fathers must help with child-care.
These two special days are celebrated in many different ways.On Mother's Day people wear carnations.A.red one stands for a living mother.A.white one shows that the mother is dead.Many people attend religious services(宗教仪式)to honor parents.It is also a day when people whose parents are dead visit their graves(坟).On these days,families get together at home and in restaurants.They often have outdoor BBQs for Father's Day.These are days of fun and good feelings and memories.
Another tradition is to give cards and gifts.Children make them in school.Many people make their own presents.These are valued more than the ones bought in stores.It is not the value of the gift that is important,but it is"the thought that counts".Greeting card stores,florists,candy makers,bakeries,telephones companies and other stores do a lot of business during these holidays.
(71)Two special days
Types●Mother's Day
●(72)Father's Day
(73)Aim/Purposeto show love and respect for parents.
Common pointsoffer a chance to think about (74)the changing roles

(75)ways
of celebrating
●wearing carnations on Mother's Day.
●(76)attendingreligious services to honor parents.
●(77)visitingparents'graves
●(78)getting togetherat home and in restaurant.
●(79)having outdoor BBQs
(80)TraditionGiving cards and gifts to parents.
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