There are 10 blanks in the passage. Use the words (phrases) given in the box to fill in the blanks. Use only one word (phrase) in each blank. There are five extra words (phrases) which you do not need to use. (2 ms)
place, easily, alike, bury, carry, contain, imitated, interfered, most, prevent, protect, role, serve, surviving, tamed
Man probably could not live without the help of animals. The (1)______ of animals in the balance of nature ranks as their most important service to man....
Đọc tiếp
There are 10 blanks in the passage. Use the words (phrases) given in the box to fill in the blanks. Use only one word (phrase) in each blank. There are five extra words (phrases) which you do not need to use. (2 ms)
place, easily, alike, bury, carry, contain, imitated, interfered, most, prevent, protect, role, serve, surviving, tamed
Man probably could not live without the help of animals. The (1)______ of animals in the balance of nature ranks as their most important service to man.
Animals also (2)______ man by supplying him with many foods and other useful products. Without animals, man would have no meat, milk, eggs, or honey; or wool, fur, or silk.
For thousands of years, man has caused changes in the animal kingdom. He has (3)______ many kinds of animals and used them for food and clothing. He has killed or driven away animals that once attacked him or (4)______ with his use of land. Today, he tried to (5)______ many kinds of animals that are in danger of dying out.
Like man, (6)______ plants depend on animals for many of their basic needs. Without animals, many plants could not (7)______ reproduce. For example, many plants with flowers depend on bees and other insects to (8)______ their pollen from plant to plant. Many oak trees grow from acorns that squirrels (9)______ and then forget, or from acorns that deer step on and push deep into the soil. Birds often fly from one (10)______ to another with seeds clinging to their feet. The seeds may sprout a great distance from the parent plants.
