【正文】 or a weekend or several months around the country or overseas? Here are some tips to help you pack your bags.1. Pretrip planning. Make a packing list to help you remember everything. Reveal it about a week before your trip. Plan a time to go shopping for things you need for your trip. Don’t pack the night before you travel. You’ll forget things when you’re in a hurry.2. Tagging luggage. Before packing, put names tags on valuable items like cameras and cellphones. Make sure that each piece of luggage, including carryon has a luggage tag on it. If you know your hotel’s address and phone numbers, put it on your luggage tags.3. Saving space. Pack small items: socks, belts and etc inside your shoes. It uses the empty space and helps the shoes to hold their shape. Pack your clothes in plastic bags. If you’re traveling with a friend, plan your packing together, share your alarm clock, toothpaste or first aid kit.4. Your carryon bag. The most important items for your trip: passport, plane tickets, traveler’s checks, credit cards keys and etc should go in your carryon bag. Always keep them with you. Keep your carryon bag small and light. Put those the heavy items in your checking luggage. Use soft bags such as backpacks or shoulder bags for carryons. They fit easily under the airplane seat or into the small overhead partment.5. Other ideas. Bring an empty bag for souvenirs from the trip. Remember to pack a few rub of bans, safety pins and plastic bags, they can be very useful. Bring some snacks such as nuts, cookies or dried fruit, you can eat them if you don’t have enough time for a meal. Sharing food is a good way to made other travelers.Audio Track 3110, Audio Track 3111, Audio Track 3112Going solo is the way to go!How do you usually travel? Do you go with a close friend or a group of friends? Do you join a tour group? Do you travel with your family? Have you ever imagined going solo? In the mid 1990s, it was estimated that 9 million Americans were planning a summer vacation alone. Since then, the number of solo travelers has increased.You may think that traveling alone would be scary or boring. Well, according to people who do it, that39。s your flight?Paula: Tomorrow. At 9 . Listen, Leticia, I need your help.Leticia: OK. What39。m away?Leticia: Sure. No problem.Paula: Great. They need water twice a week. There39。t you consider going solo?Bon voyage!Unit 2 Lesson AAudio Track 322, Audio Track 323Carson and Jenna are looking for a vacation rental home. Listen. Circle the one they choose.Jenna: OK, I think we have two choices. The first place is a little house. It39。s terrible!Jenna: Very funny. I39。s go with the second choice.Jenna: OK. I39。s so cute. And you39。Does he throw things around? And cry a lot more?Ellie:t last forever. Try to be patient.Audio Track 332B. Listen again. Cricle… Audio Track 333A. Mandy is working…Mandy: My homework assignment is too hard.Mom: What is it?Mandy: I’m doing an oral report on an acplished woman. I chose Sadako Ogata. I have to present it to the class tomorrow.Mom: Do you know the material?Mandy: I think so.Mom: OK, let’s practice. I’ll ask you some questions.Mandy: OK.Mom: All right then, just why is Sadako Ogata well known?Mandy: She worked for the United Nations as the High Commissioner on Refugees. She worked in that job for ten years and supervised 2,200 people.Mom: Hmmm … What are refugees? I don’t know that word.Mandy: Mom. Come on, you know the word!Mom: Honey, we’re practicing, remember? You have to really know that material.Mandy: All right. Refugees are people who leave their countries to escape war or other problems.Mom: Is the refugee issue a big problem?Mandy: Yes. Worldwide there are now about 17 million refugees.Mom: Wow. Last question. Why did you choose Ms. Ogata for your report?Mandy: She’s an incredible woman. She moved to the United States and received a PhD from UC Berkeley. She also got married and had two children. She’s really intelligent and I respect her.Mom: I think you are going to do a great job tomorrow. Good luck!Audio Track 334B. Listen again. Check…Audio Track 335Listen to Mike…Next year, I’m going to study abroad. I want to study business economics. It will help me in my career. When I’m 23, I may e home to look for a job. Most probably in a bank or an accounting firm. Working 4 to 5 years, I may have some savings for starting a family. At the age of 30, I’d like to be a father. If everything goes smoothly, I’ll retire at the age of 50 and travel worldwide.Audio Track 336Listen to Kaithlyn’s…Hi Jackie, I’m so excited about visiting you! Here are the details. My plane arrives on Friday at 2 . When I get to the airport, I’ll take a taxi, so I’ll arrive at your house at about 3:00. That evening, Jeff and Carol are taking us out for dinner at a nice restaurant. I really want to spend Saturday at the beach. I’m bringing my swimsuit and beach clothes. I looked at the weather forecast on the Internet. The weather is going to be sunny and beautiful. I’ll see you soon!KaitlynAudio Track 337Listen to a passage…Celebrating life changesIn Mexico and some other Latin countries, girls mark their fifteenth birthday with a celebration called the Quinceanera. In the morning, the birthday girl goes to the church with her family and her best friends. She wears a beautiful (and sometimes very expensive) dress. Later in the day, there is a huge party, with a big cake that matches the girl’s dress, and a night filled with music and dancing.When older people in the United States retire, their friends and coworkers often give them a retirement party to celebrate this life change. On their last day of work, there is a big dinner, with entertainment afterward. People make speeches and tell jokes about the retiree. Guests like to give presents, such as an album of photos of the retiree’s coworkers, or a homem