In 2017, AlphaGo defeated Chinese player Ke Jie to become the world's No 1, ending thousands of years of human dominance（控制）in the game. AlphaGo is an artificial intelligence（AI）Go-playing program{#blank#}1{#/blank#}

    Artificial intelligence（AI）is usually defined as the science of marking computers do things that require intelligence when done by humans.{#blank#}2{#/blank#}These include learning, reasoning, problem-solving, perception, and language-understanding.

    {#blank#}3{#/blank#}In fact we are increasingly depending. upon computer-based artificial intelligence. As Charlie Qrtiz said, head of AL at the Massachusetts-based software company Nuance Communication, “It has opened a window for us.”Smartphones, self-driving cars, intelligent robots，etc. are constantly coming into our life. According to a recent survey, half of the world's AI experts believe human level machine intelligence will be achieved by 2040. This will open up huge possibilities for the enrichment of mankind, from tackling climate change and treating disease to labour- saving devices.

    {#blank#}4{#/blank#}Physicist Stephen Hawking last year warned that unless we take care, board games might be the least of it. “The development of full artificial intelligence could mean the end of the human race.”{#blank#}5{#/blank#}They believe AlphaGo's victory is a reminder of how fast the world is overcoming the obstacles in the way of AI, and its distribution in the world about us. Although there may yet be no evidence that computers will ever shake off their human masters, we should still treat these development with the humility and caution they deserve.

A. Other scientists have also expressed the concern.

B. Artificial intelligence has both advantages and disadvantages.

C. Defeating a human Go master is not the only thing AI can do.

D. Artificial intelligence will bring us disasters instead of benefits.

E. It was designed by an American Artificial intelligence company.

F. Not all experts hold the optimistic attitudes to the development of AI.

G. Research in AI has so far focused on some special fields of intelligence.

    If you are like most international students, you are probably pretty comfortable reading and writing in English. {#blank#}1{#/blank#}Below are some tips to help you to improve your conversational skills.

    Make friends with American students. Many international students end up making friends with a lot of—or only—other international students.{#blank#}2{#/blank#} Hanging out with natives not only naturally pushes you to improve your spoken English, but also helps you pick up cultural and social information.

    Learn from American friends. Tell your American friends that you are trying to improve your listening and speaking skills, and would like them to help you. If you pronounce a word incorrectly, or misuse an idiom, you ask them to guide you. {#blank#}3{#/blank#}

    Increase your knowledge. {#blank#}4{#/blank#} If you have been exposed to topics that are likely to be discussed in conversation, you have a much better chance of understanding people when they talk, and of being able to express yourself well.

    {#blank#}5{#/blank#} If you have to explain something to someone, you have a strong motivation to pronounce everything as well as you can, and find other ways to explain yourself. Finally, this becomes a good habit. Many people have asked me how I learned to speak English fluently, and I owe most of it to my years of being a math teacher in college for years.

A. It is bad for them to do that.

B. You will make progress this way.

C. If possible, become a teacher at your school.

D. It's a win-win opportunity for international students.

E. Keep up with news and watch popular shows and movies.

F. Explaining everything in a different way counts.

G. You may have trouble in listening and speaking in the language, however.

Ways to say “Happy birthday to me”

    Tomorrow is my birthday, and I'm at an age when not everyone looks forward to cakes and presents.

    {#blank#}1{#/blank#} It always makes me feel excited to be alive and grateful for my life and my family. So I think even if your birthday is a regular old day at work or home, there are some easy ways to raise it to the special occasion.

    Give a gift to someone else.{#blank#}2{#/blank#} While everyone loves to open a birthday present, there is a lot of joy and goodness to be gained from being generous with others. Making a birthday donation (捐赠) to a charity that means something to you.{#blank#}3{#/blank#}

    Try something new. Today is new to us. Why not enjoy the newness of the moment? Dip your tones into some new waters, sign up for an adult education class, go for a new-to-you park or plan a new trip. {#blank#}4{#/blank#}

    {#blank#}5{#/blank#} Whether or not you have the opportunity to share a meal, outing or party with friends and family, please take time on your birthday to connect with people who are important to your life, if you use social media like phones, you are likely filled with well—wishes from loved ones. Use these as a. jumping off point to start new conversations and reconnect with people who lift your spirits and support in your journey towards being your best self.

A.I love my birthday, though.

B. It's better to give than to receive.

C. Connect with people who matter to you.

D. This year my birthday is on a Saturday.

E. Freshen up yourself with countless opportunities.

F. One choice is to donate a dollar amount to match your age.

G. Download an app to learn a new language is also a good choice.

    Everybody gets stressed time to time. {#blank#}1{#/blank#} Some ways of dealing with stress like screaming or hitting someone don't solve much. But other ways, like talking to someone you trust, can lead you to solving your problem or at least feeling better.

    Try taking these four steps the next time you are stressed:

    ⑴Get support. When you need help, reach out to the people who care about you. Talk to a trusted adult, such as a parent or other relatives. {#blank#}2{#/blank#} They might have had similar problems, such as dealing with a test, or the death of a beloved pet.

    ⑵Don't take it out on yourself. Sometimes when kids are stressed and upset they take it out on themselves. Oh, dear, that's good idea. Remember that there are always people to help you. Don't take it out on yourself. {#blank#}3{#/blank#}

    ⑶Try to solve the problem. After you're calm and you have support from adults and friends, it's time to get down to business. {#blank#}4{#/blank#} Even if you can't solve it all, you can solve a piece of it.

    ⑷Be positive. Most stress won't last long. Remember stress does go away, especially when you figure out the problem and start working on solving it.

    These steps aren't magic, but they do work. And if you can stay positive as you make your way through a hard time, you'll help yourself feel better even faster. {#blank#}5{#/blank#}

A. Ask for a helping hand to get you through the difficult situation.

B. Notice your friends' feelings and find a way to help them.

C. Different people feel stress in different ways.

D. Ah, it feels so good when the stress is gone.

E. You need to figure out what the problem is.

F. And don't forget about your friends.

G. Then, find a way to calm down.

Ways to make your bedroom unique

    Tired of your room looking the same all the time? Here are some ideas to make it match your own unique style.

    See the transformation as a process，not a quick change.{#blank#}1{#/blank#}You don't have to follow all the suggestions in this article but if you do, it'll probably take you a while, Try to be patient.

    {#blank#}2{#/blank#} Before decorating it's important to make sure your room is organized. Small drawers and dividers can make it easier to be organized and quicker to put stuff away.

    Evaluate what you already have. Look around your house and see what materials you already have on hand. Cool holiday lights, lengths of fabric, paint, unwanted furniture, bulletin boards, pillows, and mirrors can all be fun additions to your room that your family might have sitting around unused. {#blank#}3{#/blank#}Throw away stuff you do not need.

    Develop a theme. A theme can be as simple as a color or a mood, or it can center on a certain time period or fictional character {#blank#}4{#/blank#}

    Rearrange your furniture.{#blank#}5{#/blank#} Think about ways to maximize(使最大化)your space and leave more room open in the middle. If you're out of ideas, check out IKEA or other department stores, and pay attention to how they arrange furniture to maximize space.

    Get some different comforter and pillows. Change the way your bed looks by finding a different comforter and some new pillows for it. Shop online or at a store or browse through a thrift store. If you're feeling industrious(勤勉的)，you can even sew your own.

A. Organize your room.

B. Put away your furniture if possible.

C. Redecorating a room can take a lot of work.

D. It's better to think about where to put your bed before decorating.

E. Pick out some items that you might want to include in your new room.

F. Changing the positioning of your room can help it feel different and more unique in very little time.

G. Whatever you choose, it should make your room feel like your own, individualized space.

    Although most parents don't like doing it after a long and exhausting workday, reading bedtime stories does make a positive influence on your child's emotional and mental health. {#blank#}1{#/blank#}

    It helps to develop children's imagination.

Reading bedtime stories can develop your children's ability to form pictures or ideas in their mind. A healthy imagination makes their minds work well and teaches them to think quickly yet effectively. {#blank#}2{#/blank#}

    It improves children's language.

    Reading also improves your children's language. {#blank#}3{#/blank#}They'll most likely use those words in the stories you read right after they hear them. Listening to many stories helps kids to express their opinions better.

    {#blank#}4{#/blank#}

    Reading books makes people more learned. When children hear the stories you tell, they learn grammar and vocabulary, for example. It helps them be successful in school as they already know a lot from your stories. What's more, every story has its moral aspect and tells them what's good and what's bad.

    These reasons leave no chances of doubting whether to read bedtime stories to your children or not. {#blank#}5{#/blank#}They will thank you in future, I promise.

A. It fosters children's affection for reading.

B. It makes children knowledgeable.

C. Take a look at the best benefits of it and you'll never be lazy to do that.

D. So however tired you are, find time to read bedtime stories to your children.

E. Bedtime stories create just unforgettable moments.

F. They remember most words you say and enlarge their vocabulary.

G. They'll be successful in many aspects thanks to a wonderful imagination.