Everyone wants to be truly happy.【小题1】For example，we should be true to ourselves，we should think positively，we should always smile，we should learn to be thankful and so on. To be a truly happy person，not only must we know what we should do，but also we have to keep these don’ts in mind.

Never rest on the past.

Your past is just a story. Everyone has a past often full of pain，disappointment，missed opportunities，and unfulfilled（未实现的）expectations.【小题2】If you rest on the past all the time，those unhappy things will always bother you and you won’t be happy forever.

【小题3】

Be grateful for what you have got. You could waste hours counting the things you would like to improve，which would only take you away from appreciating your real life.

Never stop improving yourself.

We are all different，and there is no perfect direction or path to our personal development. The whole point is to become the best version of you，and never stop taking lessons from your own life experiences.【小题4】

Never lose a sense of purpose in what you are doing.

Your time and power are limited，so spend them wisely and use your energy on something meaningful.【小题5】A life without a purpose i» a life without the sun. If you lose a sense of purpose，you will never be truly happy.

   Do you want to be at the top of your class？Add these tips to your life and you should be on your way to being a top student！

【小题1】 I cannot stress（强调）enough 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. Pay attention during class, especially during lectures.

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

Don't skip school（逃学）.You will be missing out on stuff.【小题3】 However, you will have more work because you have missed lectures. 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.

【小题4】 If you have an "I don't care about school or this class" attitude, then teachers will be less willing to offer you extra credit（学分）.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.

Always ask questions.【小题5】 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 need one.

   Everyone has moments of forgetfulness from time to time, especially when life gets busy.

【小题1】, having a poor memory can be frustrating. However, research has shown that there are ways to improve your memory.

Sleep on it

Sleeping well helps make episodic memories stronger. 【小题2】, especially relating to learning motor skills, such as learning to play a musical instrument or ride a bike. Having a full night’s sleep soon after gaining a new skill helps strengthen the processes involved.

Believe to remember

Positive thinking appears to improve memory performance. Researchers found they could improve the performance of people aged 60 and above in memory tests by presenting them with positive age-related words such as “wise”, and “sharp-witted”. 【小题3】. Brain scans have shown differences in activity levels in brain regions, according to whether or not individuals believe they have good recall abilities or not.

【小题4】

Memories can be weakened if the brain doesn’t have enough downtime to strengthen them. More than a century ago, German scientists showed that people performed almost twice as well in memory tests if they took breaks.

Stay social

【小题5】. US scientists who asked people in their 50s and 60s to do memory tests every other year found there is a slower decline in recall abilities of their most so ciable persons. Having good friends, volunteering and other forms of social engagement also protect memory.

   Most people use the weekends to relax. 【小题1】 Because you’re on duty, you have to focus on your work seven days a week.

While you don’t have to be at your desk every minute of every day, weekends make you free to create your lifestyle so that you can get the most out of your busy schedule. Here are a few ways to make you more efficient both at work and in life during the weekends.

Don’t work 24/7. Though it’s important to think about your business on the weekend, you shouldn’t be working in the way you are during the week. 【小题2】 Instead, work on projects you enjoy or use the time to think about your business in a broader way. Ask yourself, “What do I want to accomplish this week, month or year?” Judge how your day-to-day activities are taking you closer to your long-term goals.

Check your e-mail once or twice a day. 【小题3】 Read all your messages, arrange activities, and then put your phone away. If you know you will be checking e-mail at a specific（特定的）time, you’ll be less likely to check it throughout the day.

【小题4】 You could go somewhere quiet to relax, or spend time with friends and family members. Since all your previous five days have been spent on your work, you deserve your own time to relax, and to strengthen your relationship with others. However, make sure you’re prepared to start your work on Monday while enjoying yourself. Don’t oversleep. Though some people enjoy sleeping until noon on the weekend, it’s not beneficial to your health. 【小题5】 So try not to sleep more than two or three extra hours on the weekend.

   Do you like to learn about what is in the world around you？Do you often notice things that your friends don't notice？When you become interested in something，do you ask people about it and read books about it？Do you sometimes do experiments to find answers？If so，then you think in much the same way that a scientist thinks.

In school and at home no doubt you will read about scientific discoveries. Are there any good ways to help you read science then？Let's consider each of the four rules that you should follow.

1. KEEP YOUR MIND ON WHAT YOU ARE READING. Surely no one can successfully read a science article or a science textbook while thinking of other things. Many a car has run through a stop light because a careless driver was thinking of something besides his driving. The same thing is true of reading. If you think of nothing else while you are reading，you will become a better reader.

2. KNOW WHY YOU READ. The chapter titles and subtitles in science articles are usually worded in such a way that they attract your curiosity（好奇心）and make you want to read. They often tell you what you are going to read about and why you should read. The questions found at the beginning of the chapters guide you toward the information you want. Knowing why you read will help you become a better reader in science.

3. KNOW THE MEANING AND THE PRONUNCIATION OF EVERY WORD. Through the context，word structure rules and the glossary（词汇表）in your science book，you can discover the meaning and the pronunciation of most words in the articles. If a word is not in the glossary，use the dictionary.

4. FIT YOUR SPEED TO YOUR NEED. To get all the important information from your science book，you must read by degrees and carefully. Directions for experiments demand especially careful reading. If you misread them，the experiment may fail and you may reach wrong conclusions.