than 760,000 acres in the California Mountains. Most of the park is wilderness.

　　The part of Yosemite that everyone likes is Yosemite Valley. It is a tiny valley that is 7 miles long and less than 1 mile wide. It has tall rock walls and streams that splash down in waterfalls. More than two million visitors come to the valley each year.

　　One ranger (护林人) says the number of visitors is more than the land can handle. The valley has 4,500 camping spots. It has a hotel that can hold 4,000 families. This is still not enough to handle all of the visitors. The valley has grown so big that it has a lot of traffic and crime.

　　A worker says the park is trying to keep the beauty of the park and let everyone visit. Some areas have been fenced off from people and planted with seeds to try to keep them beautiful.

　　A former worker thinks Yosemite should get more money to take better care of the park. He would also like to teach people what the park service is trying to do.

　　Some people are trying to save Yosemite Valley. A plan has been made to get rid of some buildings. There will be fewer cars allowed inside the park. More buses will help get people around.

　　5．Which of the following is TRUE according to the passage?

　　A. Yosemite is a national park located in the California desert.

　　B．Some people think there are too many visitors for the park.

　　C．The valley has 4,500 parking spots and some hotels.

　　D．Most of Yosemite park is full of traffic and crime.

　　6．Parts of the park are surrounded with a fence so that ________.

　　A．some visitors can stay there alone

　　B．they can be used for camping

　　C．visitors can have a picnic there

　　D．they can become nicer

　　7．The passage mainly tells us ________.

　　A．Yosemite is a beautiful national park

　　B．Yosemite is faced with some problems

　　C．Yosemite is disappearing

　　D．Yosemite attracts a great many visitors each year

　　8．According to the passage, what measure should be taken to save the park?

　　A．Raising money to employ former skilled workers.

　　B．Banning cars entering it.

　　C．Reducing the number of visitors.

　　D．Removing some of the buildings.

　　C

　　Heritage is our legacy (遗产) from the past, what we live with today, and what we pass on to future generations. Our cultural and natural heritage are both irreplaceable (不可取代的) sources of life and inspiration. Places as unique and diverse as the Pyramids of Egypt, the Great Barrier Reef in Australia and the Great Wall of China make up our world's heritage.

　　The United Nations Educational, Scientific and Cultural Organization (UNESCO) seeks to encourage the identification, protection and preservation of cultural and natural heritage around the world considered to be of outstanding value to humanity. This is embodied in an international treaty called the Convention Concerning the Protection of the World Cultural and Natural Heritage, adopted by UNESCO in 1972.

　　How does a place become a World Heritage Site? It takes a lot of people to decide.

　　1) If a country wants one of its places to be on the World Heritage List, it has to ask UNESCO. The place must be important and special. UNESCO put the Great Wall on the list in 1987 because, it said, it was a great part of Chinese culture and beautifully made to go with the land. When a country asks, it must also make a plan for taking care of the place.

2) The World Heritage Committee of UNESCO talks about different places and decides