“Is there anything else you need, honey？” my dad asked  me as he put three twenty­dollar bills in my hand. I was traveling  back home from a family visit, and after treating me to breakfast  and filling my car with gas, it was obvious that my dad wanted  to make sure that I would be okay on the road.

    “No, Dad. You've done so much already. Thank you！” I was overwhelmed once again by his kind acts of providing  everything I needed, despite the fact I just turned 40. Yet I realize that in my father's eyes, I will always be his little girl. He takes deep pleasure in knowing his children are all right.  Now that he has enough money, he loves to give whenever he  sees a need.

    But this was not always the case.  Divorced from my mother when I was 11, my dad couldn't be around his kids as  often as he would have liked. Money was also tight; even weekend visits were rare. However, my dad stayed in constant  communication with us and made sure he was involved in our lives. Though he couldn't always be there in person, I knew  he was only a phone call away. I could always count on that.

    Even now, almost 30 years later, I treasure knowing that I can pick up the phone and call Dad, and he'll be there for me. I have a wonderful husband, but that hasn't changed how   Dad sees me. I'm still his child and he loves to see that my   needs are met.

    I remember a time when I was shopping in a hardware store(五金店)with Dad. I mentioned my plans to paint one wall in my house. Well, that's all it took for Dad to take   action. By the time I got to the checkout(结账) line, all the supplies I picked out were put out of my hands and placed with things he bought.

    Then there was the time when I took him with me to do some grocery shopping for just a few “ items”. By the time we  were finished, my shopping cart was full of groceries from  every shelf in the store! My sister and I joke that if you don't want Dad to buy it for you, avoid even mentioning you want something.

    A new study shows students who write notes by hand during lectures perform better on exams than those who use laptops(笔记本电脑)．

    Students are increasingly using laptops for note­taking because of speed and legibility(清晰度)．But the research has found laptop users are less able to remember and apply the concepts they have been taught.

    Researchers performed experiments that aimed to find out whether using a laptop increased the tendency to make notes “mindlessly” by taking down word for word what the professors said.

    In the first experiment，students were given either a laptop or pen and paper. They listened to the same lectures and were told to use their usual note­taking skills. Thirty minutes after the talk，they were examined on their ability to remember facts and on how well they understood concepts.

    The researchers found that laptop users took twice as many notes as those who wrote by hand. However，the typists performed worse at remembering and applying the concepts. Both groups scored similarly when it came to memorizing facts.

    The researchers' report said，“While more notes are beneficial，if the notes are taken mindlessly，as is more likely the case on a laptop，the benefit disappears.”

    In another experiment aimed at testing long­term memory，students took notes as before but were tested a week after the lecture. This time，the students who wrote notes by hand performed significantly better on the exam.

    These two experiments suggest that handwritten notes are not only better for immediate learning and understanding，but that they also lead to superior revision in the future.

    Self-driving vehicles will rely on cameras, sensors and artificial intelligence（AI）to recognize and respond to road and traffic conditions, but sensing is the most effective for objects and movement in the neighborhood of the vehicle. Not everything important in a car's environment will be caught by the vehicle's camera. Another vehicle approaching at high speed on a collision （碰撞）track might not be visible until it's too late. This is why vehicle-to-vehicle communication is undergoing rapid development. Our research shows that cars will need to be able to chat and cooperate on the road, although the technical challenges are considerable.

    Applications for vehicle-to-vehicle communication range from vehicles driving together in a row, to safety messages about nearby emergency vehicles. Vehicles could alert each other to avoid collisions or share notices about passers-by and bicycles.

    From as far as several hundred metres away, vehicles could exchange messages with one another or receive information from roadside units（RSUs）about nearby incidents or dangerous road conditions through 4G network A high level of A1 seems required for such vehicles, not only to self-drive from A to B, but also to react intelligently to messages received. Vehicles will need to plan, reason, strategize and adapt in the light of information received in real time and to carry out cooperative behaviours. For example, a group of autonomous vehicles might avoid a route together because of potential risks, or a vehicle could decide to drop someone off earlier due to messages received, a foreseen crowding ahead.

    Further applications of vehicle-to-vehicle communication are still being researched, including how to perform cooperative behaviour.

    A heated debate is currently going on in our town.Should we allow the cinema to be constructed in the Havenswood Shopping Center? There is just one large lot left to build on,and the theater would use up all of that space.Some people are excited at the idea of finally having our own movie theater.Others would rather travel ten miles to the nearest theater to keep our quiet town the way it is.They say it is enough to have Marvin's Movie Video Rentals.After all,Marvin's store keeps thousands of the latest videos.

    There are certainly benefits to renting videos.For one thing,you can plan your own schedule when it is convenient for you.You can relax on your sofa,and take a break whenever you need one.You can also talk to others without bothering any strangers seated nearby.In additional,it is a less expensive way to view a movie compared to going to a theater.

    On the other hand,seeing a movie in a theater is an experience all its own.First,you can see the movie on wide screen as the filmmaker intended.To be viewed on a television screen,a film must be changed in some way to make it smaller.One is the “pan-and-scan” method,which involves removing some of the details in the picture.The other way,called “letterboxing”,keeps the image the way it is on the big screen,with one annoying exception; because the big-screen version is wide,the same picture on a television screen must be long and narrow.

    Another problem is sound.The sound from a television cannot compare to the sound system in a theater.Your experience of a movie improves when you can clearly hear all of the sounds.Furthermore,at home,viewing companions often talk during a movie,which makes you miss out on what's happening in the film.

    Besides,having a movie theater will not mean that you can't still go to Marvin's! You will just have a choice that you didn't have before.Isn't it time for Havenswood residents to enjoy a little progress?

    To see the world is one thing; to have someone to share it with is another. Indeed, travel becomes more interesting when you have a travel partner. A travel partner can be a close friend, a family member, a pal you've met online, or a business friend.

    You can have someone to talk to.

    Traveling alone is fun, but wouldn't you feel lonely？Having a travel partner can remove the feeling of loneliness. This is especially true if you can get a travel companion who is very familiar with the place you're traveling to. You don't have to ask any information from the locals, and you can increase the time you spend in the country.

    __________________________

    One of the major headaches in traveling is the costs involved. You can't simply ignore the rising price of hotels or plane tickets. You should also think about your daily needs, such as your food. Of course, you can't simply go back without bringing any souvenirs (纪念品) to your friends and family. All these can ruin your budget. However, when you have a travel friend, you can have someone to share the expenses with.

    You can meet a good friend.

    Having a travel mate is a good way of meeting a new friend or even a lifelong partner. You can never count the number of couples who actually found their way into each other's heart while traveling together in another country.

    You can have someone to watch out for you.

    When you're in a foreign land, you'll never be really safe. You don't know the rules as well as the culture of the people. A travel mate will be perfect to remind you of your duties in the country and to watch your back just in case you get lost.So why don't you find a travel companion now?

    Let's find out how...

    Alice Moore is a teenager entrepreneur(创业者), who in May 2015 set up her business AilieCandy. By the time she was 13, her company was worth millions of dollars with the invention of a super-sweet treat that could save kids' teeth, instead of destroying them.

    It all began when Moore visited a bank with her dad. On the outing, she was offered a candy bar. However, her dad reminded her that sugary treats were bad for her teeth. But Moore was sick of missing out on candies. So she desired to get round the warning, "Why can't I make a healthy candy that's good for my teeth so that my parents can't say no to it?" With that in mind, Moore asked her dad if she could start her own candy company. He recommended that she do some research and talk to dentists about what a healthier candy would contain.

    With her dad's permission, she spent the next two years researching online and conducting trials to get a recipe that was both tasty and tooth-friendly. She also approached dentists to learn more about teeth cleaning. Consequently, she succeeded in making a kind of candy only using natural sweeteners, which can reduce oral bacteria.

    Moore then used her savings to get her business off the ground. Afterwards, she and her father secured their first business meeting with a supermarket owner, who finally agreed to sell Moore's product—CanCandy.

    As CanCandy's success grows, so does Moore's credibility as a young entrepreneur. Moore is enthusiastic about the candy she created, and she's also positive about what the future might bring. She hopes that every kid can have a clean mouth and a broad smile.

    Meanwhile, with her parents' help, Moore is generally able to live a normal teenage life. Although she founded her company early on in life, she wasn't driven primarily by profit. Moore wants to use her unique talent to help others find their smiles. She donates 10% of AilicCandy's profits to Big Smiles. With her talent and determination, it appears that the sky could be the limit for Alice Moore.