In summer， your feet may be exposed to risks， such as cuts from walking barefoot on the beach where broken shells may exist， burns from hot sand or too much sun． Knowing how to prevent and treat summer-specific foot problems can help ensure your summer fun stays on track this year．At the beachYou may enjoy the feeling of sand between your toes， but stop walking barefoot． Not only does going barefoot expose your feet to the risk of sunburn and other infections （传染病）， bare feet are at risk for cuts， wounds and other injuries， too． Always wearing flip-flops （人字拖） or sandals when walking in sand helps prevent injury．Apply （涂） sunscreen all over your feet， especially the tops and fronts of ankles to prevent sunburn． If you do get a burn， clean the area and apply burn ointment （药膏） if the area is red． If the burn is bad， seek treatment from doctor．In the waterWearing swim shoes in the water can help protect your feet if you step on a jellyfish． If you get stung （刺）， leave the water immediately and watch for signs of an allergic （过敏的） reaction． Seek immediate medical attention for these changes in body． For less serious stings， use seawater to wash the affected area， which will work． Applying vinegar for about 30 minutes can help reduce pain， and shaving cream， soap， or a paste of sand/mud and seawater can be helpful． Remember to reapply sunscreen after you've spent time in the water．On the goIf you experience a cut on your feet， clean your hands with soap before you clean the injury． Clean the wound and press directly to stop the bleeding， if necessary． Once the bleeding is stopped， apply ointment to prevent infection． Cover the wound with a clean bandage （绷带） and change it a few times a day to ensure the bandage stays clean．Flip-flops that can be bent freely offer no support or safety． Choose a flip-flop style that bends only at the ball of the foot and provides main support． Throw away last year's flip-flops if they're old， worn． And never wear them for doing yard work， playing sports or taking long walks．1． The author intends to tell us ____ ．A． how to stop the bleeding effectivelyB． how to deal with wounds in feet properlyC． how to avoid being sunburned in summerD． how to prevent and treat foot problems in summer2． While playing barefoot at the beach ____ ．A． you can have more funB． you should watch out for jellyfishC． you may have your feet hurt by chanceD． you will find many broken shells in the sand3． If your feet suffer serious sunburn ____ ．A． you must wear sturdy flip-flopsB． you must turn to your doctor for helpC． you should apply burn ointment carefullyD． you should apply sunscreen all over your feet4． If you want to treat a cut on your feet， first of all ____ ．A． you should stop the bleedingB． you should make your hands cleanC． you should keep the bandage at handD． you should apply ointment to the cut at once5． We can infer from the last paragraph that ____ ．A． you must avoid doing yard workB． you can recycle your worn flip-flopsC． you must buy new flip-flops every year [D． you can keep good flip-flops for next year