2. 外语
  3. Many dogs love to lick people. Why do dogs lick? The answers might depend on you personally and your individual dog. Generally,

Many dogs love to lick people. Why do dogs lick? The answers might depend on you personally and your individual dog. Generally,

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问题    Many dogs love to lick people. Why do dogs lick? The answers might depend on you personally and your individual dog. Generally, licking is not considered a serious behavior problem unless it really bothers you.
   Affection
   It’s fair to say that your dog is probably licking you because he loves you! There’s a good reason for calling licks " kisses. " Dogs show affection by licking people and sometimes even other dogs. Licking is a natural action for dogs.
   Attention-Seeking
   Licking behavior that starts as affection often gets reinforced by a person’s reaction: laughing, smiling, petting, etc. Maybe your dog is bored or lonely. There you are and he wants your attention. Even negative attention can encourage licking.
   You Taste Good
   One that dog gets to licking you, he might realize you have an intriguing human taste that is slightly salty. Dogs love anything that has an interesting taste! Plus, licking is a way for your dog to explore his world. You’re part of that world after all.
   Instinct
   When wild dogs return to their pups after a meal, they regurgitate meat from the hunt. The pups, too young to hunt on their own, lick the meat from around their mouths. It is believed by some that this licking behavior has been passed down in the DNA, causing dogs to instinctively do it sometimes.  
The purpose of writing the details about wild dogs in the last paragraph is to______.
选项 A、let readers learn more about wild dogs
B、attract more readers’ attention
C、prove that licking is a born ability of dogs
D、prove that wild dogs love their pups
答案C
解析 由题干中的in last paragraph和wild dogs定位于文章最后一段。文章最后一段一开始就描述的这个有关野外的狗的例子，为的是引出紧接着后面的那句，也就是最后一段第三句的结论，说明狗“舔”的这个动作是基因里面就存在的，与生俱来的。只有选项C符合这个意思，故选C。
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