25.The Special Olympics A is always held in Chicago B.has 1,000 participants C.has millions of participants D.was held once in 1968 B Read the passage.Then answer the questions that follow.(3 points each) Asthma A Respiratory illnesses such as asthma have increased greatly in the past few decades.It is estimated that 5%of the population in the United States has asthma,which is a chronic disease,that is,it affects a person over a long period of time.It may begin before a child is 10 years old,or it may begin in adulthood.Childhood asthma usually disappears around the age of 20,but adults who get it later may have it all their lives. B People who suffer from asthma have difficulty breathing because the airways in their lungs contract when a trigger causes a reaction.Among the triggers of asthma are indoor and outdoor pollutants,according to doctors.Since pollution has become more common,the number of people affected by this disorder has risen.Indoor pollutants include cigarette smoke,dirt,insects,and even pets like dogs or cats.Outdoor pollutants include chemicals,dust,and smog,that is,smoke from factories or transport vehicles like buses and trucks. C People with asthma usually carry an inhaler in case of an attack.This inhaler contains medicine that they breathe in,making the contracted airways in the lungs expand so that they can breathe normally again.For a few people with severe asthma,medicine can also be given by injection-in other words,it can be applied under the skin with a needle every few weeks to prevent attacks. D While it is not possible to cure this condition,people who suffer from it are advised to avoid pollutants.Parents with asthmatic children are told not to smoke in the 171625. The Special Olympics A is always held in Chicago B. has 1 ,000 participants C. has million~of participants D. was held once in 1968 assa Then answer 白tions that follow. (3 points each) Asthma A Respiratory illnesses such as asthma have increased greatly in the past few decades. It is estimated that 5% of the population in the United States has asthma , which is a chronic disease , that is, it affects a person over a long period of time. It may begin before a child is 10 years old , or it may begin in adulthood. Childhood asthma usually disappears around the age of 20 , but adults who get it later may have it all their lives. B People who suffer from asthma have difficulty breathing because the airways in their lungs contract when a trigger causes a reaction. Among the triggers of asthma are indoor and outdoor pollutants, according to doctors. Since pollution has become more common , the number of people affected by this disorder has risen. Indoor pollutants include cigarette smoke ,dirt, insects, and even pets like dogs or cats. Outdoor pollutants include chemicals, dust , and smog , that is, smoke from factories or transport vehicles like buses and trucks. C People with asthma usually carry an inhaler in case of an attack. This inhaler contains medicine that they breathe in , making the contracted airways in the lungs expand so that they can breathe normally again. For a few people with severeasthma, medicine can also be given by injection - in other words, it can be applied under the skin with a needle every few weeks to prevent attacks. D While it is not possible to cure this condition , people who suffer from it are advised to avoid pollutants. Parents with asthmatic children are told not to smoke in the 1716