A major source of teen stress is school exams, and test anxiety is not uncommon. When you recognize your teen is under stress, how can parents help your teen stay calm before an exam? Be involved. Parents need to be involved in their teen's work. {#blank#}1{#/blank#} What they look for is your presence — to talk, to cry, or simply to sit with them quietly. Communicate openly with your teen. Encourage your teen to express her worries and fears, but don't let them focus on those fears.       

    Help them get organized. {#blank#}2{#/blank#} Together, you and your teen can work out a time—table in which she can study for what she knows will be on the test.       

    Provide a calm setting. Help your teen set up a quiet place to study and protect his privacy. Give them a nutritious diet. It is important for your teen to eat a healthy, balanced diet during exam times to focus and do her best. {#blank#}3{#/blank#} If this happens, encourage your teen to eat light meals or sandwiches. A healthy diet, rather than junk food, is best for reducing stress.        

    {#blank#}4{#/blank#} Persuade y our teenager to get some sleep or do something active when she needs a real break from studying. Making time for relaxation, fun, and exercise are all important in reducing stress. Help your teen balance her time so that she will feel comfortable taking time out from studying to spend time with friends or rest.       

    Show a positive attitude. {#blank#}5{#/blank#}Your panic, anxiety and blame contribute to your teen's pressure. Make your teen feel accepted and valued for her efforts. Most importantly, reassure your teen that things will be all right, no matter what the results are.       

A. A parent's attitude will dictate their teen's emotions.     

B. Exam stress can make some teens lose their appetite.     

C. They will only make the situation worse.       

D. Encourage your teen to relax.       

E. The best thing is simply to listen.       

F. Help your teen think about what she has to study and plan accordingly.    

G. Your teen may also make negative comments about themselves      

    Through the following four cultural relics, the world has known about Korea's cultural treasures.

Pulguksa Temple

    Pulguksa Temple plays an important part in the history of Korean temples. The building of Pulguksa Temple began in 751. In the year 774 the large temple was finished, becoming an important center for Korean national-protection Buddhism(佛教). The way used to create the store structure gave the temple a look of beauty. The building thus represents the excellent Korean sculpting(雕刻).

Sokkuram Cave

    Sokkuram Cave is a man-made cave, which has been sculpted from white stone in special sculpting ways. In the cave, a seated Buddha is the main statue. On the walls around him are found 38 other statues and the Four Heavenly Kings. This stone cave is one of Korea's greatest places, built when Shilla's religion, science and sculpture were at the height. It shows Shilla's knowledge of math, physics and art.

Haeinsa Temple

    Haeinsa Temple's Changgyong Panjon (藏经板库) is a world-class cultural treasure. It has 81,340 wooden blocks. Millions of Chinese characters were caved on the blocks. In addition to its artistic value, it is famous as the oldest Buddhist canon(教义)in the world today. The building is beautiful. What's more important is that its design allows for natural wind as well as temperature control. Each book is 69.5cm in width and 23.9cm in height. There are 23 lines on each of the blocks and each line contains fourteen characters.

Changdokkung palace

    Changdokkung palace, one of the five places of the Chosen Dynasty, was built in 1405. The oldest structure is Tonhwammun Gate. Other ancient buildings include Injongjon hall, Sonjongjon Hall and Taejojon Hall. The back garden for kings remains a great example of the ancient Korean scenery.

A Koala Isn't a Bear

    Koalas remind people of teddy bears. They have thick fur and large ears. Their broad, flat nose makes them look cute, similar to teddy bears. In fact, koalas aren't cute. They have sharp teeth and very sharp claws! Koalas are marsupials. This means the mother carries her baby in a pocket while it develops, similar to a kangaroo. The baby koala lives in its mother's pocket for the first six months of its life.

    The name “koala” comes from a native Australian word that means “no drink”. The koalas get almost all their water from the eucalyptus (桉树) leaves they eat. That's where they get their food too. Koalas eat only eucalyptus leaves, and only the leaves of certain eucalyptus trees. The eucalyptus trees are where the koalas live. It's also where they sleep. Koalas sleep about nineteen hours a day!

    Why do they sleep so much? Some people think it's because they're lazy. But koalas aren't lazy. They sleep so much because there isn't much nutrition in eucalyptus leaves. Koalas store hardly any fat, so they must save their energy. One way to do this is to move slowly and sleep a lot.

    After a day of sleeping, they like to move around and eat just after sunset. They live alone most of the time. Koalas are very protective of their trees. If a koala sees another koala eating in its favorite tree, it might tell the other koala to leave by “barking” at it. Koalas do “talk” to each other. Besides barks, the males make a deep grunting sound. The mothers and babies talk in soft clicking sounds. If they get scared, they may scream like a baby.

    The sharing economy, represented by companies like Airbnb or Uber, is the latest fashion craze. But many supporters have overlooked the reality that this new business model is largely based on escaping regulations and breaking the law.

    Airbnb is an Internet-based service that allows people to rent out spare rooms to strangers for short stays. Uber is an Internet taxi service that allows thousands of people to answer ride requests with their own cars. There are hundreds of other such services.

    The good thing about the sharing economy is that it promotes the use of underused resources. Millions of people have houses or apartments with empty rooms, and Airbnb allows them to profit from these rooms while allowing guests a place to stay at prices that are often far less than those charged by hotels. Uber offers prices that are competitive with standard taxi prices and their drivers are often much quicker and more trustworthy.

    But the downside of the sharing economy has gotten much less attention. Most cities and states both tax and regulate hotels, and the tourists who stay in hotels are usually an important source of tax income. But many of Airbnb's customers are not paying the taxes required under the law.

    Airbnb can also raise issues of safety for its customers and trouble for hosts' neighbors. Hotels are regularly inspected to ensure that they are not fire traps and that they don't form other risks for visitors. Airbnb hosts face no such inspections.

    Since Airbnb is allowing people to escape taxes and regulations, the company is simply promoting thefts. Others in the economy will lose by bearing an additional tax burden or being forced to live next to an apartment unit with a never-ending series of noisy visitors.

    The same story may apply with Uber. Uber is currently in disputes over whether its cars meet the safety and insurance requirements imposed on standard taxis. Also, if Uber and related services flood the market, they could harm all taxi drivers' ability to earn a minimum wage.

    This downside of the sharing needs to be taken seriously, but that doesn't mean the current tax and regulatory structure is perfect.

    Scientists at the University of Oxford have developed new artificial intelligence(AI) software to recognize and follow up the faces of chimpanzees(黑猩猩)in the wild. The new software will allow researchers and wildlife conservationists to significantly cut back on time spent analyzing videos, according to the new paper published in Science Advances.

    For species(物种)like chimpanzees which have complex social lives and live for many years, getting photos of their behavior taken from short-term field research can only tell us so much," says Dan Schofield, researcher and DPhil student at Oxford University's Private Models Lab, School of Anthropology. "By taking advantage of the power of machine learning to unlock large video files, it makes it possible to measure behavior over the long term."

    The computer model was trained using over 10 million images(影像):from Kyoto University s Primate Research Institute(PRI) video files of wild chimpanzees in Guinea, West Africa. The new software is the first to continuously track and recognize individual a wide range of poses, performing with high accuracy in difficult conditions such as low lighting and poor image quality.

    "Access to this large video file has allowed us to use deep neural networks to train models to a degree that was previously not possible," says Arsha Nagrad, co-auther of the study and DPhil student at the Department of Engineer Science, University of Oxford." Additionally, our new software differs from previous primate face recognition software in that it can be applied to videos with limited manual intervention(人工干预), saving hours of time."

    The technology can be potentially used to monitor species for conservation Although the present application focuses on chimpanzees, the AI software provided will be applied to other species, and help drive the adoption of AI systems to solve(解决)a range of problems in the wildlife sciences.

    Do you want to be excellent in study? Add these tips to your life and you should be on your way to being an excellent student!

Pay attention to everything the teacher says. I cannot stress how important it is to pay attention to what your teacher is teaching you. Take part in class discussions if you have something worthwhile to add. {#blank#}1{#/blank#}.

    Taking notes is important. You don't need to write down every single word your teacher says but write down what he/she writes on the board, or any special fact you think you might need for a test. {#blank#}2{#/blank#}. This way it will help you learn more effectively by actually thinking about what you are writing.

    Don't skip school. You will be missing out on stuff(东西). {#blank#}3{#/blank#}. However, you will have more work and you have missed lectures and in-class movies. Also, try not to be late for class. It's most likely that your teacher won't appreciate it and you will get yourself behind.

    Keep a good attitude towards things. {#blank#}4{#/blank#}, then teachers will be less willing to help you with problems or offer you extra credit. The same goes for lazy attitude. Have a respectful attitude to the teacher and other students. Try not to laugh when other students make a mistake.

    {#blank#}5{#/blank#}. There is no shame in needing some help. If you don't understand, ask someone. Read your textbook and notes, and then if that fails, seek help. Ask a teacher, friend, classmate, parent, etc. Get a tutor if you are really a poor learner.

A. Enjoy your class

B. Always ask questions

C. Write in your own words

D. When you do poorly in your study

E. It is true that you could make up the work

F. If you have an "I don't care about study" attitude

G. Pay attention during class, especially during lectures