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In this task, you're given an article and an answer. Your task is to generate the fill-in-the-blank question for this answer based on the given article. The blanks are always at the end of the question, and can be filled with more than one word or phrase.
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Article: What could be cuter than your puppy giving his doggy friend a kiss on the nose? Nothing, really. But is your dog actual-fly planting a kiss on his friend? Yes, but that's only one of the reasons your dog may lick another dog's nose. Here are some other reasons why your dog may lick another dog's nose. During an introduction, a shy and lower-ranking dog will lower his head, avoid direct eye contact and gently extend his tongue to lick the nose of a more confident and high-ranking dog. The first dog licks the nose of the second dog to simply make it know that:he comes in peace. Dogs who are already friends will also trade kisses. Two strongly bonded dog pals will lick and clean each other. They give each other "dog kisses" showing friendship. Puppies also "kiss" their mothers, but it's not a gesture of love. When puppies stop suckling their mothers' tits for milk and start to eat semisolid food instead;they lick their mothers' mouths and noses in the hope of getting the mother to regurgitate  some semi-digested food. So how to help your _ dog make friends with other dogs? You can carefully select confident-but-friendly and good-tempered dogs to play with your shy dog, to help him develop his social skills. Also consider taking him to a special training class that focuses on socialization and positive training technique. Do not disturb them when your two dogs play "kiss" briefly with each other. Sit back and enjoy this display of friendship. Then call them over and have them do a command such as "sit'' or "shake paws". Offer them treats as a reward for being good to each other. If you foster a dog and have three or more resident dogs, introduce the foster dog to your brood dog one at a time and let muzzle licking between them happen naturally. Start with your least reactive or most friendly dog. Never force an in production between the dogs because this can deepen the foster dog's submissiveness or spark a fight. 
 Answer: show he is friendly
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We know a shy and lower--ranking dog licks the nose of a higher-ranking dog to  _  .


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Article: winter-swimming has become popular in Beijing. three years ago, few people would go swimming in the city waters. but now there is a winter-swimming enthusiasts'club and it has more than 2,000 members. the oldest is 84 years of age and the youngest is only 7. _ They may be workers, peasants, soldiers, teachers, students....Though it is now the coldest part of the season and the water temperature in the city's lakes is around 0degc, many winter-simmers still swim in the icy waters, even when it is snowing. They enjoy themselves in the lake, while the people by the side of the lake are wearing heavy clothes. why are so many people interested in winter-swimming? Because winter-swimming can be good for one's health. Bei Sha is a good example. He is 69 years old, and he once suffered from heart trouble for 26 years. After ten years of winter-swimming he is now in good health. Scientists are now studying the effects of winter-swimming on health. 
 Answer: The members do different jobs at different places.
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Guess what "the members are from all walks of life" means   _     .


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Article: There are a lot of social networking sites these days. In order to make relationships between people strong, sites like Facebook, Twitter and QQ have become a daily "must visit" site. In fact, many people spend all day in front of the computer or are busy with their phones only to spend time on these sites. Social networking sites provide facilities that enable people to communicate with their friends without spending time meeting them in person. In addition, they can play games. But what is quite surprising is that these sites not only give you pleasure, but can also increase risks of diseases in your body. Despite their primary purpose, these sites make people more isolated . "Sending a message through sites can cause side effects that are very big in the body's biological changes," said Dr Aric Sigman, a psychologist, according to DailyMail. Increased isolation may alter the workings of immune response  to the feelings of anger and others. People become angry easily. In the journal, Dr. Sigman says that it can increase the risk of cancer, strokes, heart attacks and dementia . Researchers found that the amount of time people used to meet face to face had decreased  greatly since the increased use of the electronic media in 1987. To save time, people prefer to meet virtually  rather than face to face; Education today even uses an online system that allows school-aged children not to come out of their rooms. Parents spend less time with their children, like the cases in England. The habit of having dinner together decreases, while the number of people who choose to work online at home increases. "The electronic media may also reduce the ability of children and adults in social interaction, as long as they are isolated. Social networking sites should help us improve the quality of life, but what happens is the opposite, they are not a tool to improve, but a tool to replace," said Dr Sigman. 
 Answer: help people keep in touch with others conveniently
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Facebook and Twitter are designed to   _  .


