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1、 精品资料课时作业(十)Section Learning about Language & Using Language.阅读理解AA nosebleed can be frightening to get or see，but try to stay calm.Most nosebleeds look much worse than they really are.Almost all nosebleeds can be treated at home.If you get a nosebleed，sit down and lean slightly forward.Keeping your
2、 head above your heart will make your nose bleed less.Lean forwards so that the blood will flow out of your nose instead of down the back of your throat.If you lean back，you may swallow the blood.This can make you uncomfortable.Use your thumb and index fingers to press together the soft part of your
3、 nose.Keep holding your nose until the bleeding stops.Dont let go for at least 5 minutes.If its still bleeding after that，hold it again for 10 minutes straight.You can also place an ice pack across the toe of your nose.Once the bleeding stops，dont do anything that may make it start again，such as ben
4、ding over or blowing your nose.The most common causes of nosebleeds are dryness(often caused by indoor heat in the winter)and nose picking.These two things work togethernose picking occurs more often when the liquid in the nose is dry.Other，less common causes include injuries，colds or cocaine use.Ch
5、ildren may stick small objects up their nose.Old people may have infections or high blood pressure.The cause of nosebleeds is often unknown.Most nosebleeds arent serious.They occur in the front part of the nose and stop in a few minutes.A few nosebleeds start in large vessels(血管)in the back of the n
6、ose，which can be dangerous.They may occur after an injury.This type of nosebleed is more common in the elderly and is often due to high blood pressure，daily aspirin use or bleeding disorders.1According to the text，nosebleeds _.Aare not frightening to get or seeBare usually not serious and can be cur
7、ed with the right method at homeCmust be treated by doctors in the hospitalDarent dangerous at all2Which of the following is NOT the right way to treat nosebleeds?ACool your nose with ice or other cold things.BPress your nose slightly with your fingers.CLean backwards to slow down the flow of flood.
8、DLean your head forwards，just above your chest.3Whats the main idea of Paragraph 4?ANosebleeds are caused by some diseases.BNosebleeds are caused by the dry weather.CYour nose may be infected.DThe causes of nosebleed.4Which of the following is TRUE according to the passage?AIt may be more dangerous
9、if the back part of your nose bleeds.BNosebleeds can cause the disease related to blood pressure in older people.CNosebleeds occur to kids because of infections.DMany nosebleeds are not as serious as they look.语篇解读：本篇主要讲述了流鼻血的原因及急救措施。1B解析：推理判断题。由第一段最后一句可知D项正确，其余选项与文意不符。2C解析：细节理解题。由第二段第一句可知正确的方法是lean
10、 forwards，而不是lean backwards。3D解析：主旨大意题。第四段主要讲述了流鼻血的原因。4A解析：细节理解题。根据最后一段第一句可知鼻子后部的血管流血会更严重。BBicycle SafetyOperationAlways ride your bike in a safe，controlled manner on campus(校园)Obey rules and regulations.Watch out for walkers and other bicyclists，and always use your lights in dark conditions.Theft P
11、reventionAlways securely lock your bicycle to a bicycle rackeven if you are only away for a minute.Register your bike with the University Department of Public Safety.Its fast，easy，and free.Registration permanently records your serial number，which is useful in the possible recovery of the bike stolen
12、.EquipmentBrakes Make sure that they are in good working order and adjusted properly.BrakesMake sure that they are in good working order and adjusted properly.HelmetA necessity，make sure your helmet meets current safety standards and fits properly.LightsAlways have a front headlightvisible at least
13、500 feet in front of the bike.A taillight is a good idea.Rules of the RoadRiding on CampusAs a bicycle rider，you have a responsibility to ride only on streets and posted bicycle paths.Riding on sidewalks or other walkways can lead to a fine.The speed limit for bicycles on campus is 15 mph，unless oth
14、erwise posted.Always give the right of way to walkers.If you are involved in an accident，you are required to offer appropriate aid，call the Department of Public Safety and remain at the scene until the officer lets you go.Bicycle ParkingOnly park in areas reserved for bikes.Trees，handrails，hallways，
15、and sign posts are not for bicycle parking，and parking in such spots can result in a fine.If Things Go WrongIf you break the rules，you will be fined.Besides violating rules while riding bicycles on campus，you could be fined for：No bicycle registration$25Bicycle parking banned$30Blocking path with bicycle$40Violation of bicycle equipment requirement$355Registration of your bicycle may help you _.Afind your stolen bicycleBget your serial numberCreceive free repair servicesDsettle conflicts with walkers6According to the passage，what bike equipment is a free choice for bicycle ri
