True-False Statements

In this exercise, you will read twelve statements about the Grand Canyon. First read the statement carefully. After checking your notes, decide whether the statement is true or false. If it is true, place a T in the blank space next to the number of the statement. If it is false, place an F in the blank. Remember to use your notes to help you answer the questions.

1. ____ The Grand Canyon's narrow valley is 207 miles long.
2. ____ The Canyon is from four to eighteen miles deep.
3. ____ The Canyon's south rim is 1,000 feet lower than its north rim.
4. ____ The average amount of rainfall for the south rim of the Canyon is about twenty-six inches.
5. ____ On the floor of the Canyon no more than ten inches of rain fall in a year.
6. ____ There is a long record of geographic change in the walls of the Grand Canyon.
7. ____ At least sixty-seven kinds of animals that feed their babies with milk live in the Grand Canyon Park.
8. ____ The first Europeans to see the Grand Canyon were guided to it by the Navajo Indians.
9. ____ White men first saw the Grand Canyon in the fifteenth century.
10. ____ Today the Hopi Indians live on a 631,000-acre reservation.
11. ____ The Hopi have more land than the Havasupai Indians do.
12. ____ President Woodrow Wilson established the Grand Canyon.

Compare your answers with your groupmates.

D. Follow-up Activity

Topics for Discussion

l. The Grand Canyon may be Nature's Finest Monument in the United States, but what is Nature's Finest Monument in your country? Describe the natural wonder. Where is it located? What are its dimensions?

2. Do you feel that the establishment of National Parks would help to protect and preserve the wild animals and the virgin land in your country?

3. What is your country presently doing to protect and preserve its natural wonders from exploitation and overdevelopment?

4. Has the industrial development of your country ruined some of its beautiful natural wonders and land? Explain what has happened, giving specific examples of areas in your country that have suffered from industrial pollution, overcrowding, overbuilding, and so forth.

5.2 For more practice use the video about Statue of Liberty. Check your understanding answering the following questions:

• Whom was it originally designed?
• What is its second common name?
• What does ‘she’ carry in her right and left hands?
• How many feet is it in height?
• When and where was it ultimately opened?
• Why was it closed to tourists in 2001?

Unit 6. Life Science

Listening A. Read the questions and answer the ones that you can. Then listen to the conversation again and answer the rest of the questions. Compare answers with a partner. Listen again if necessary.

1. What do some pets do before an earthquake?
2. What is infrasound and who can pick it up?
3. How long ago were animal premonitions of earthquakes documented?
4. How do elephants know that there are other elephants miles away?
5. What are two ways we make use of dogs’ sense of smell?
6. Where do seismologists in China get information about unusual animal behavior?

Thinking and Speaking

Date: 2015-12-18; view: 1608