【正文】 Unit l, Lesson AAudio Track 311, Audio Track 312Leticia: Hello?Paula: Hi, Leticia. It39。s Paula.Leticia: Hi, Paula. How are you? Have you finished packing yet?Paula: Almost.Leticia: You must be excited. When39。s your flight?Paula: Tomorrow. At 9 . Listen, Leticia, I need your help.Leticia: OK. What39。s up?Paula: Well, as you know, I39。m going on vacation for two weeks. Do you think you could water my plants while I39。m away?Leticia: Sure. No problem.Paula: Great. They need water twice a week. There39。s one plant in the bedroom and one in the kitchen.Leticia: OKsay, how about your dog? Should I feed her, too?Paula: No, that39。s OK. I’m putting her in a kennel.Leticia: All right, then, I39。ll water your plantsandoh, how about the mail? Should I pick it up for you?Paula: Actually, I39。ve already asked the mailman to stop mail delivery. Thanks for asking, though.Leticia: Well, have a great trip!Paula: Thanks, Leticia. I really appreciate your help.Leticia: My pleasure. Wait a second. I don t have any keys to your place.Paula: Oh, that39。s right. Will you be home around 8 tonight?Leticia: Yeah, I think so.Paula: OK, I’ll drop by—I’ll give you the keys then.Leticia: OK! See you tonight. Bye!Paula: Bye! Thanks again!Audio Track 313, Audio Track 314, Audio Track 315W: Wow, Jun, you look relaxed! Did you enjoy the long weekend?J: I sure did actually. Actually I took a big trip.W: Over the weekend? We only had three days off!J: Yep! But I visited four countries in three days!W: What?!J: I love to fly! You might say I’m an airplane freak!W: That’s interesting. Where did you go?J: I visited Korea, Thailand, Singapore and the Philippines.W: Sounds like you were busy.J: I was. I only had only four hours in so. So I have to finish my shopping very quickly. Sometimes I had to run between connecting flights.W: Wait a minute. What about your baggage? Didn’t you have to wait for it?J: No, I didn’t have much, only one carryon bag, it just fits the overhead partment.W: So let me get this straight. You spent your weekend in an airplane flying around?J: Basically yes. I fly standby.W: Standby?J: Yes, as a standby passenger. I don’t have a reservation. At the last minute, they let me know if there’s a seat available. They give me a boarding pass and I get on.W: All these flying must be expensive.J: Well, I’m an airline employee. I’m a sales representative for Twin Star Airlines. So I know most of the flight attendants and I can almost fly for free.W: Lucky you!Audio Track 316Matt: Have you done all the errands?Tina: No, I haven’t finished them yet.Matt: You don’t have to go to the post office, I’ve canceled the mail delivery.Tina: Well, I’ve picked up the plane tickets. But I haven’t taken the dog to the kennel. What about you? Have you washed the dishes?Matt: No, I haven’t cleaned the kitchen. But I’ve already watered the plants, and I’ve given our keys to Mrs. Smith.Tina: What about your suitcase? Have you packed it?Matt: Not yet…But don’t worry: there’s still lots of time!Audio Track 317S: Are you almost ready?J: Yes, I think so. But we always forget so many things. Did you get the traveler’s checks at the bank yesterday?S: Yes I did. And I paid the bills too.J: Well, I changed our voice mail message and I confirmed all of our flights.S: Great! Let’s remember to give the house keys to Mr. Jacobsen so he can e in and water our plants.J: This afternoon I have to stop the mail delivery at the post office.S: And could you please take the dog to kennel?J: No, I hate that. He always looks so scared.S: And this time let’s remember to empty the trash before we leave.J: And we’ll give away all the fresh food. Last year there were black tomatoes and green meat in our refrigerator after our vacation.S: I made a note to myself unplug the puter.J: And I promised to turn off all the lights. The electric bill was terrible last time.S: Maybe we should write a list, they may be used again on our next vacation.Audio Track 318, Audio Track 319Tips for better packingAre you planning to travel for 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 o