第2篇
　　Common-cold Sense
　　You can’t beat it，but you don’t have to join it．Maybe it got the name “common cold” because it’s more common in winter．The fact is，though，being cold doesn’t have anything to do with getting one．Colds are caused by the spread of rhinoviruses，and，at least so far，medical science is better at telling you how to avoid getting one than how to get rid of one．
　　Children are the most common way cold viruses are spread to adults，because they have more colds than adults — an average of about eight per year．Why do kids seem so much more easily to get colds than their parents? Simple．They haven’t had the opportunity to become immune to many cold viruses．
　　There are more than 1 50 different cold viruses，and you never have the same one twice．Being infected by one makes you immune to it — but only it．
　　Colds are usually spread by direct contact，not sneezing or coughing．From another person’s hand to your hand and then to your nose or eyes is the most common route．The highest concentration of cold viruses anywhere is found under the thumbnails of a boy，although the viruses can survive for hours on skin or other smooth surfaces．
　　Hygiene is your best defense．Wash your hands frequently, preferably with a disinfectant soap，especially when children in your household have colds．
　　But even careful hygiene won’t ward off。every cold．So，what works when a coughing，sneezing，runny nose strikes? 
　　The old prescription of two aspirins，lots of water，and bed rest is a good place to start．But you’11 also find some of the folk remedies…worth Wing．Hot mixtures of sugar(or honey)，lemon，and water have real benefits．

　　词汇：
　　rhinovirus n．鼻病毒
　　immune adj．免疫的，有免疫力的
　　disinfectant n．消毒剂，杀菌剂
　　sneeze vi．打喷嚏
　　thumbnail n．拇指甲

　　1.Accordingtothe essay，you may have a cold because
　　A)the weather is too cold．
　　B)the spread of rhinoviruses gets people infected．
　　C)another person’s coughing passes the cold to you
　　D)you wash your hands too often．

　　2.The best way to keep yourself from getting colds is
　　A)to keep yourself clean．
　　B)to use a disinfectant soap．
　　C)to take two aspirins every day．
　　D)to drink lots of water．

　　3.Children have more colds because
　　A)they are usually infected about eight times each year．
　　B)they are not immune to many cold viruses yet．
　　C)they never wash their hands So that their thumbnails are dirty．
　　D)they don’t 1ike eating lemon．

　　4．When you are having a cold,
　　A)it is always the same kind of cold that you had last time．
　　B)it may be the same kind of cold that you had last time．
　　C)it is certainly not the same kind of cold that you had last time．
　　D)it is probably not the same kind of cold that you had last time．

　　5．When one is having a cold, he may often have a11 the following symptoms EXCEPT
　　A)coughing．
　　B)having a sore throat．
　　C)having a runny nose．
　　D)having a stomachache

　　第3篇

　　Sleepwalking

　　 Not all sleep is the same every night. We experience some deep, quiet sleep and some active sleep, which is when dreams happen. You might think sleepwalking would happen during active sleep, but a person isn’t physically active during active sleep. Sleepwalking usually happens in the first few hours of sleep in the stage called slow-wave or deep sleep.
　　 Now all sleepwalkers actually walk. Some simply sit up or stand in bed or act like they’re awake when in fact, they’re sleep! Most, however, do get up and move around for a few seconds or for as long as half an hour.
　　 Sleepwalkers’ eyes are open, but they don’t see the same way they do when they’re awake and often think they’re in different rooms of the house or different places altogether. Sleepwalkers tend to go back to bed on their own and they won’t remember it in the morning.
　　 Researchers estimated that about 15% of kids sleepwalk regularly. Sleepwalking may run in families and sometimes occurs when a person is sick, has a fever, is not getting enough sleep, or is stressed.
　　 If sleepwalking occurs frequently, every night or so, it’s a good idea for your mom or dad to take you to see your doctor. But occasional sleepwalking generally isn’t something to worry about, although it may look funny or even scary for the people who see a sleepwalker in action.
　　 Although occasional sleepwalking isn’t a big deal, it’s important, of course, that the person is kept safe, precautions should be taken so the person is less likely to fall down, run into something, or walk out the front door while sleepwalking.

　　1. Sleepwalking usually occurs ___.
　　A. during deep sleep
　　B. during active sleep
　　C. during dreams
　　D. during quiet hours

　　2. Which is true of most sleepwalkers?
　　A. they simply sit up
　　B. they simply stand in bed
　　C. they act like they’re awake when asleep
　　D. they get up and walk for some time

　　3. Sleepwalkers usually go back to bed ___.
　　A. after waking up
　　B. after being woken up
　　C. by themselves
　　D. with the help of others

　　4. You’d better go and see a doctor if you ___.
　　A come across sleepwalking often
　　B have never experienced sleepwalking
　　C sleepwalk occasionally
　　D sleepwalk frequently

　　5. Precautions should be taken to ___.
　　A. prevent people from sleepwalking
　　B. keep sleepwalkers safe
　　C. avoid running into sleepwalkers
　　D. ensure the safety of people asleep

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