Ants play an important part in the 1 of nature. They eat a large 2 of insects and so help keep them 3 becoming too plentiful. In the tropics, ants eat more 4 half the termites hatched each year. Ants, in 5 , are an important 6 source for birds. Frogs, lizards and many other animals also feed 7 ants. Ants are 8 helpful and harmful to farmers. Some kinds of ants aid farmers by killing insects that 9 crops. Ants that dig underground nests 10 the soil. They break up, loosen and mix the soil.
1.
(A) destruction
(B) creation
(C) formation
(D) balance
2.
(A) quantity
(B) number
(C) size
(D) weight
3.
(A) from
(B) to
(C) at
(D) in
4.
(A) less
(B) or
(C) than
(D) rather
5.
(A) environment
(B) trees
(C) nature
(D) ground
6.
(A) food
(B) energy
(C) treasure
(D) land
7.
(A) our
(B) up
(C) for
(D) on
8.
(A) once
(B) largely
(C) both
(D) really
9.
(A) fertilise
(B) nourish
(C) damage
(D) cause
10.
(A) impoverish
(B) improve
(C) ruin
(D) indulge
Answer Key
1. (D) 2. (B) 3. (A) 4. (C) 5. (B) 6. (A) 7. (D) 8. (C) 9. (C) 10. (B)
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