1. Sahara Desert is the biggest desert in the world. Yes No

2. Which of the following is the tropical desert ？ A B C B A C

3. Many large deserts in the world are found ____. in equatorial regions in higher latitude regions near Tropic of Cancer and Tropic of Capricorn

4. Which of the following is the climatic characteristics of deserts ？ no rainfall hot and with small daily range of temperature low rainfall and with large daily range of temperature

5. Deserts are dry areas with an annual rainfall of less than 1000mm less than 500mm less than 250mm

6. Most desert animals are active in daytime at night

7. Which of the following is NOT the adaptation of desert plants ？ thick stems for storing water needle leaves for decreasing transpiration long roots for tapping groundwater thin barks for releasing heat

8. Which of the following will be formed when the water-table meets the land surface of a desert ？ oasis sand dune rock pedestal

9. The daily range of temperature is large in desert because there is sparse vegetation. Yes No

10. Circle the location of Takla Makan Desert

11. Deserts occupy about __________ of the earth’s land surface. one-third one-fifth one-tenth

12. Which of the following human activity is NOT suitable to develop in deserts ？ nomadic herding oil mining shifting cultivation oasis farming