1. According to the passage， when did sunlight begin to play a more important part in the treatment of disease？

　　 A. From ancient times.　　

　　 B. At the end of the nineteenth century.

　　 C. Not until this century.　

　　 D. Only very recently.

4. C。细节题。根据文章的首句和尾句可知此题答案为C。

3. B。细节题。根据第7则建议可推知此题答案为B。

2. C。推断题。根据第1则建议可推知此题答案为C。

1. A。主旨题。根据第1段最后句及全文的内容可推知此题答案为A。

4. During your trip, _______.　

A. you need more shoes than clothes　　

B. you shouldn’t look for work all the way

C. you can gain valuable life experiences

D. you should forget to do your homework

[答案与解析]本文是对学生计划旅行所作准备提出的建议。

3. The writer advises you _______.　

A. to share costs with any other people 　　　 B. not to go to well-known places

C. not to visit dangerous places 　　　　　 D. to buy anything you want to buy

2. Before your trip, the first thing you should do is _______.　

A. to make a plan of the route 　　　　　　 B. to get information in the Internet

C. to save money by spending less 　　　 D. to buy tickets in advance

1. This passage is about _______.　

A. how to plan your travel　　　　　　　　　 B. how to travel with enough money

C. how to make your travel interesting　 D. how to get life experiences

5. C。主旨题。本文主要讲的是那些感觉不幸福的人处处冒犯别人，若长期以往，则只能处于被孤立的境地，所以他们应改变自己的习惯。

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Traveling can be a way to gain life experiences, especially during Spring Break - a week long school vacation in the United States. But what if you’re a student and don’t have enough money for a trip? Don’t worry. Here are some useful suggestions.

●Save: This probably is the most important preparation for traveling. Cut expenses to fatten your wallet so you’ll have more choices about where to go and how to get there.

●Plan ahead: Don’t wait until the last minute to plan your trip. Tickets may cost more when bought on short notice. Giving yourself several months to get ready can mean security(安全) and savings.

●Do your homework: No matter where you go, research the places you will visit. Decide what to see. Travel books will provide information on the cheapest hotels and restaurants.

●Plan sensibly: Write down what you expect to spend for food and hotels. Stick to your plan or you may not have enough money to cover everything.

●Travel in groups: Find someone who is interested in visiting the same places. By traveling with others you can share costs and experiences.

●Work as you go: Need more money to support your trip? Look for work in the places you visit.

●Go off the beaten path: Tourist cities may be expensive. You may want to rethink your trip and go to a lesser-known area. Smaller towns can have many interesting activities and sights.

●Pack necessary things: The most important things to take are not always clothes: Remember medicine in case you get sick and snacks in case you cannot find a cheap restaurant.

●Use the Internet: The Net can help to save money. Some useful websites include www. Travelocity. com, www. bargains-lowest fare. com and www. Economic travel. com.

By planning sensibly, even students can enjoy the travel. Your travel experiences will be remembered for a lifetime.