Have you ever felt sick to your stomach during a test? Have you ever been so worried about something that you ended up with a terrible headache?

    If so, then you know what it's like to feel stress. You've probably heard people say，“Wow，I'm really stressed out.” {#blank#}1{#/blank#}But children have lots of things going on in their lives that can cause stress, too.

What is stress?

    Stress is what you feel when you are worried or uncomfortable about something. This worry in your mind can make your body feel bad. You may feel angry, frustrated, scared, or afraid—which can give you a stomachache or a headache.

What causes stress?

    Plenty of things can cause stress in a child's life.{#blank#}2{#/blank#} Good or normal stress might show up when you're called on in class or when you have to give a report. Have you ever gotten butterflies in your stomach or sweaty hands? Those can be signs of good stress.{#blank#}3{#/blank#} For example, you may do a better job on your book report if the anxiety inspires you to prepare well before you get up and read it to the class.

    But bad stress can happen if the stressful feelings keep going over time. You may not feel well if your parents are fighting, if a family member is sick，if you're having problems at school, or if you're going through anything else that makes you upset every day.{#blank#}4{#/blank#}

    Once you recognize that you're feeling stressed, there are several things you can do. You can try talking about what's bothering you with an adult you trust, like a parent or teacher.{#blank#}5{#/blank#} An adult may have ideas about how to solve whatever is worrying you or making you uncomfortable.

A．This kind of stress can help you to get things done.

B．Maybe you hear adults say those kinds of things all the time.

C．Bring up what's been on your mind and how it makes you feel.

D．Everyone experiences stress at times—adults, teens，and even kids.

E．There are ways to reduce stress and manage the stress that's unavoidable

F．That kind of stress isn't going to help you, and it can actually make you sick.

G．The trick is to remember that some types of stress are good and others are bad.

    Natural sites and historic buildings,when left alone,can slowly be in bad condition.{#blank#}1{#/blank#}For these reasons we must protect them.

    “World Heritage" is the title given to places chosen from natural sites and buildings around the world. These places are considered special,valuable and require protection. They may be places of nature or cultural heritages that are the pride of the people in the country{#blank#}2{#/blank#} Each is a treasure of our planet that must be protected for us and our future generations.

    Even extremely beautiful natural environments can be in bad condition if they are left alone{#blank#}3{#/blank#}For instance,the Galapagos Islands are now protected by rules that stop people from bringing or removing plants and animals to or from the islands, moving rocks and touching the animals. In the US,people are not allowed to visit Grand Canyon National Park by vehicle. It aims to protect the park's environment from the gas produced by cars{#blank#}4{#/blank#} Australia is making stricter laws to prevent agricultural chemicals from flowing into the ocean near the Great Barrier Reef. Efforts are also being made to protect Natural Heritage sites in Japan. In Shiretoko,only a small number of people are allowed to walk on its nature path at the same time{#blank#}5{#/blank#}

A. They may also be home to endangered species（物种）．

B. Today there are 183 Natural Heritage sites around the world.

C. People can change these places too,just as the wind and rain can.

D. Natural Heritage is valued for geographical characteristics and beautiful scenery.

E. That's why measures are being taken around the world to protect them.

F. It can reduce the risk of people accidentally stepping on valuable plants.

G. There are even security guards there who can arrest people that break the rules.

    Color is fundamental in home design-something you'll always have in every room. A grasp of how to manage color in your spaces is one of the first steps to creating rooms you'll love to live in. Do you want a room that's full of life? Or are you just looking for a place to relax after a long day?{#blank#}1{#/blank#}, color is the key to making a room feel the way you want it to feel.

    Over the years, there have been a number of different techniques to help designers approach this important point.{#blank#}2{#/blank#}, they can get a little complex. But good news is that there're really only three kinds of decisions you need to make about color in your home: the small ones, the medium ones, and the large ones.

    {#blank#}3{#/blank#}.They're the little spots of color like throw pillows, mirrors and baskets that most of us use to add visual interest to our rooms. Less tiring than painting your walls and less expensive than buying a colorful sofa, small color choices bring with them the significant benefit of being easily changeable.

    Medium color choices are generally furniture pieces such as sofas, dinner tables or bookshelves.{#blank#}4{#/blank#}.They require a bigger commitment than smaller ones, and they have a more powerful effect on the feeling of a space.

    The large color decision in your rooms concern the walls, ceilings, and floors. Whether you're looking at wallpaper or paint, the time, effort and relative expense put into it are significant.{#blank#}5{#/blank#}.

A. While all of them are useful

B. Whatever you're looking for

C. If you're experimenting with a color

D. Small color choices are the ones we're most familiar with

E. It's not really a good idea to use too many small color pieces

F. So it pays to be sure, because you want to get it right the first time

G. Color choices in this range are a step up from the small ones in two major ways

    The world itself is becoming much smaller by using modem traffic and modern communication means. Life today is much easier than it was hundreds of years ago, but it has brought new problems. {#blank#}1{#/blank#}Pollution means making things dirty. It comes in many ways. We see it，smell it, drink it and even hear it Man has been polluting the earth.{#blank#}2{#/blank#} Many years ago, the problem was not serious because there were not so many people. When the land was used up or the river was dirty in one place, Man moved to another place. But this is no longer true. Manis now slowly polluting the whole world. {#blank#}3{#/blank#}It's bad for all living things in the world, but it is not the only one kind of pollution. Water pollution kills our fish and pollutes our drinking water. Noise pollution makes us angry more easily {#blank#}4{#/blank#}They stop people from burning coal in houses and factories in the city and from putting dirty smoke into the air. The earth is our home. We must take care of it {#blank#}5{#/blank#}And we must take care of the rise in population at the same time.

A. The more people, the more pollution.

B One of the biggest is pollution.

C. Air pollution is still the most serious.

D. Many countries are making rules to fight pollution.

E That means keeping the land, water and air clean.

F I hope scientists can find ways to solve the serious problem.

G Strange diseases have appeared in some places because of pollution.

    Your children are watching you. {#blank#}1{#/blank#} According to the Health Program, developing healthy habits is an important part for your children. And when it comes to developing healthy habits, parents influence their children more than anyone else.

    {#blank#}2{#/blank#} What happens during those early years can influence children for the rest of their lives. This includes some eating and exercise habits. Children are very careful, even at a young age. Children watch what others do carefully and imitate the behaviors of those closest to them. As parents, you should do the following: {#blank#}3{#/blank#} If you do that, your children are more likely to be enthusiastic about developing theirs.

    Let your children see you taking care of your own physical health by eating fruit and vegetables. Talk to them about healthy habits in appropriate terms and at a proper time. {#blank#}4{#/blank#}

    {#blank#}5{#/blank#} Computers, televisions and other forms of technology are a major part of life in the 21st century. Unfortunately, as the use of technology in the home increases, so does the time spent watching TV or playing on the computer. So as parents, you should also arrange the time for your children wisely.

A. Don't get rid of technology, but use it wisely.

B. Take part in physical activities and exercise regularly.

C. Be enthusiastic about developing healthy habits of your own.

D. Your actions are speaking to them louder than your words will.

E. Children prefer to imitate their parents rather than listen to them.

F. This can be helpful to teach your children to form good eating habits.

G. It's easy for the children to form their healthy habits when they are young.

    There are some popular family videos posted on Chinese social media. In these videos, a young child calls out to their mother or father; the parent enters the room smiling, turns around and calls out to their own parent; the grandparent then enters smiling and calls out to their parent – the great-grandparent.

    The format of these videos is being described as the "four-generation challenge". {#blank#}1{#/blank#} People from all over the world have left comments and even made their own versions.

    A Facebook user named Antoine Yupud wrote, "I have to give that to China. {#blank#}2{#/blank#}." The "four-generation" videos have not only touched foreign viewers, but also given them a deeper look into Chinese family values.

    In most East Asian cultures, it is common for many generations of a single family to live together under one roof. {#blank#}3{#/blank#}. Many Western countries tend to have nuclear families, made up of just children and their parents.

    {#blank#}4{#/blank#}. Kids usually move out of the family home after turning 18. Many apply for loans and work part-time jobs to pay for college and rent. If they choose to continue living with their parents after becoming an adult, it can be seen as a sign of immaturity or failure.

    Although family structures in the United States may differ, the loving bonds between family members are common to both. {#blank#}5{#/blank#}.

A. Family devotion is usually a strong value.

B. This is called an extended family.

C. These videos have spread to social media in other countries.

D. Nuclear families gradually took the place of extended families.

E. In United States culture, independence is highly valued.

F. These videos have made many people miss their own grandparents.

G. That might be why the "four-generation" videos have gained popularity around the world.