Do you know how to be street smart? Being street smart means    1     (know) how to keep    2     (you) safe from strangers when you are alone or with other kids. Whether you are walking to school, hanging out in the playground,     3     riding your bike in your neighborhood, being street smart    4     (help) you stay safe. When you are street smart, you know your way around, you know what to do in difficult    5     (situation) and you are able to “tread” people.

Imagine there is a baby walking around alone.     6    baby couldn’t understand a “Don’t Walk” sign, wouldn’t know where    7     (go) for help, and couldn’t find the way back home. What’s more, the baby might not know good people from bad people. She/ He would be    8    danger.

Thank goodness, you are not a baby anymore! You know your way around and you know the rules of the road. The    9     (hard) thing to learn is how to deal with strangers. But if you learn and follow safety rules all the time, such as not to talk to strangers, you can be    10     (real) street smart.

Humour has been an essential part of human behaviour and can not only entertain but     1     throw new light on sensitive or emotive issues. Mark Twain is remembered for his ability     2     (combine) humour with more serious messages. Twain’s particular style of writing is     3     (fun) and often mischievous. For example, in his classic novel The Adventures of Tom Sawyer, he famously says, “Writing is easy. All you have to do is     4     (cross) out the wrong words.”

Lin,     5     became famous for his unique brand of humour, brought the concept of humour to modern Chinese literature. In 1924, he     6     (creative) borrowed “youmo” from Ancient Chinese as the translation for the English word “humour”. “Youmo”     7     (use) still in this way today.

Humour isn’t just about laughter,     8     is a way of life and a tool that can be used to illuminate the world. Lin even created an equation     9     (explain) this concept: Reality + Dreams + Humour = Wisdom. Living and working with others can sometimes be complicated, and humour makes this easier.     10     (share) jokes and laughing together can bring individuals and even communities together. Mark Twain says, “Humor is mankind’s greatest blessing”.

New research published by a team of psychologists at the University of Missouri-Columbia suggests that our own happiness     1     (influence) by the kindness and generosity we show to others.

    2     (arrive) at this conclusion, the researchers asked a group of research participants to engage in a series of     3     (experiment) that examine them in acts of their own happiness against those aimed at     4     (improve) the happiness of others. In one study, participants were given a few coins by a research assistant on the street after parking their cars. They were asked to put some coins either into their own parking meters (停车计时器)     5     in others' nearby.     6     (interesting), people who put coins in others' meters showed     7     (great) happiness than those who put money in their own, despite not knowing who they were helping.

The researchers offer a good     8     (explain) for the reasons why they come to such a conclusion. According to the researchers, an effort to make another person happy inspires feelings of closeness,     9    , in turn, explains why people end up feeling happy themselves.

But it is not just financial generosity that has the power to increase our happiness. Simply adopting an attitude that puts others' happiness above our own has     10     positive influence on our psychological happiness.

Spain is a fantastically welcoming, energetic country, characterized by its love of life One of the most important     1     (aspect) of Spanish life is the family; an extended gathering is of great     2    (significant), without which no celebration would be completed. And the elderly     3     (respect) by all other family members. Likewise, children are     4     (absolute) favored and included in everything. Food plays     5    important part in Spanish family life, with lunch being the     6     (big) meal of the day, often lasting from 2: 00 pm to 4: 00 pm. Friends are more likely    7     (meet) in restaurants for meals, but if you are invited to someone’s house dinner, you should take a small gift     8     any children. Also remember that drinking too much isn't common though there seems to be a bar on every corner,     9    is more for coffee and socializing than heavy drinking. Tipping is common in Spain, although not always       10     (expect), but locals are small tippers and twenty cents on a bar table or five percent in a restaurant is usually enough. It is also common practice to tip taxi drivers, hotel porters in small change.

At a time when we are all experiencing an extraordinary level of stress, science offers a simple and effective way to improve our own emotional （情感的）health.

To help yourself,     1    （ start） by helping others.

As     2     matter of fact, our bodies and minds benefit in a variety of     3    （ way）when we help others. Some research has focused     4     the “ helper's high. " Studies show that volunteering, donating money, or even just thinking about donating money can release （释 放）feel-good brain chemicals.

    5     （feel） responsible for other people also can help us deal with whatever challenges life brings. Emily Greenfield, an associate     6    （ consult） of social work at Rutgers

University, studied a concept called “felt obligation （义务），”   which     7     （measure） by asking people questions such as how obligated they would feel to give money to a friend in need, even     8     it meant putting themselves in trouble.

As it turned out, the people who had higher levels of “felt obligation” - meaning they were the type of people to sacrifice for others - dealt     9    （ well） with their own life challenges than others.

She     10     （note） that caring for others helped us to regulate our own emotions and gain a sense of control.