E4 Unit 1 Characteristics of deserts and desertification 1.1

1. Deserts cover about one-third of the land surface of the Earth.

• A. True

• B. False

2. The annual rainfall of deserts is ___________.

• A. less than 250 mm

• B. 250-500 mm

• C. less than 500 mm

• D. more than 250 mm

3. The daily range of temperature is ___________ in desert areas.

• A. small

• B. large

4. What type of desert does the photo below show?

• A. Rocky desert

• B. Stony desert

• C. Sandy desert

• D. Temperate desert

5. Which of the following is the function of needle-like leaves of drought-resistant plants?

• A. To store water

• B. To absorb water quickly after rainfall

• C. To reflect sunlight

• D. To reduce water loss through transpiration