Reading-Comprehension-Lesson 66

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   Sprinkler-based irrigation systems are claimed to be more efficient
 than gravity systems since they use less water to irrigate the same
 amount of land. In addition, it is said that they can be efficiently
 utilized both on sandy soil, and on hilly or uneven ground, neither
5  of which is true of gravity systems.

1. How many advantages sprinkler-based systems are suggested?
(A) one
(B) three
(C) four
(D) five
2. Which of the following may NOT be inferred from the passage?
(A) Gravity systems are said to require more water than sprinkler systems.
(B) The author agrees with the claims made.
(C) Sprinkler systems may be used on either hilly or an event terrain.
(D) Gravity systems cannot be efficiently used on sandy soil.
3. Which of the following is claimed as an advantage for sprinkler based irrigation systems ?
(A) They are more often utilized.
(B) They can be used in addition to gravity systems.
(C) They are less economical with water.
(D) They are more versatile.

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