Ministry of Higher and Secondary Specialized Education of the Republic of Uzbekistan
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Workbook Scale up II
6 Listen to the tape again and complete the
table.
The changes into eco- system done by humanity
1) Rabbits which were broght to Australia
2) ................................. 3) .................................
The drawbacks of the unintended consequences
a)
b).
d).
5.
In 1957, while searching for an increase in honey production, Warwick E. Kerr accidentally released Africanized bees in Brazil. The «especially defensive» Africanized bee species expanded into the north and south Americas.
2.
g) - h).
i)..
j) -
Rewrite the following sentences using Passive Voice.
The introduction of exotic animals and plants for food and decorative purposes often leads to more
harm, (cause) ______ e.g. ____ More harm is often caused by introduction of exotic animals and plants for food and decorative purposes. The introduction of rabbits in Australia and New Zealand for food led to an explosive growth in the rabbit population. Rabbits have become a major uncontrollable pets in these countries (follow), because the rabbits had no natural predators. _____________________________
6. In the 19 th century, in Ireland, Theobald Mathew developedatemperance action. Thousands of people vowed never to drink alcohol again, (encourage). Instead, people began the consumption of diethyl ether, (drink). Those seeking led to intoxication without breaking promise, (result). ___________
7. The draining of American wetlands since colonial times, resulted in flash-flooding and seasonal droughts. _______________________________
agronomists introduced it into Australia to control cane field pets. Animals eating cane died of its toxins, (kill) ___________________________
8. A reward for "ghost nets" offered by the French government between 1980 and 1981 resulted in people vandalizing nets to collect the reward. _
later used to prevent erosion in earthworks, but it became a major problem in the Southeastern United States, (introduce). Kudzu displaced native plants, and effectively took over significant portions of land. __________________________
9. In 2012, 75% of income tax in France made the rich move to other countries, (result) __________
Scale Up | 11
Insects
Health problems allergy Hormone change
Lose of original type Restless land product taste
Human needs
out of season - ► exotic
solves famine
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