I. Choose the best answer
Grass is probably the most successful living plant in the world. There are over 9,000 different types of grasses and they are A. noticed/ B. realized/ C. caught/ D. found in every region on the earth. They are the A. single/ B. one/ C. only/ D. special flowering plants that can exist in the freezing A. environment/ B. scene/ C. situation/ D. background of the Arctic and the Antarctic.
Grasslands support a wide range of animal life, from tiny insects and birds to huge animals like cows and lions. All of them A. depend/ B. build/ C. turn/ D. hang on grass in one way or another.
Grass A. repeats/ B. recovers/ C. reduces/ D. remains very quickly after it is cut or A. hurt/ B. broken/ C. injured/ D. damaged. Unlike other plants, the new leaves from A. beside/ B. behind/ C. below/ D. beyond the soil, not from the topof the plant. That is A. why/ B. where/ C. what/ D. when large families of animals are able to live together in one area. As A.fast/ B. soon/ C. quickly/ D. often they have eaten all the grass there, a fresh meal is always A. available/ B. present/ C. free/ D. complete because the plants start to grow again.
1 D
2 C
3 A
4 A
5 B
6 D
7 A
8 B
9 A