3. From the details given in the passage, it is clear that polyculture
A) requires the use of a lot of labour
B) excludes the processing of seaweed in Iceland
C) allows the production of several crops in the same area vertically
D) is not possible in aquaculture
E) has not yet been tested anywhere in the world
E X E R C I S E 3: Complete the sentences by selecting words from Column B in EXERCISE 1.
1. Although Lake Chad is the fourth largest lake in Africa, it is very shallow, reaching a
maximum depth of seven metres. The area of the lake at hotter times
of the year and some scientists think that one year it might disappear altogether.
2. Women three-quarters of all North Korean refugees in China.
3. Medical experts that AIDS will have reduced life expectancy to thirty-
nine in Ethiopia and to thirty-seven in Swaziland by the year 2010.
4. During the Industrial Revolution, glass workers in Birmingham, England, were given two
weeks' holiday at the end of August. Far from taking a break, many poor families travelled to
the countryside to help with the fruit.
5. Geology the sciences of mineralogy, morphology and sedimentology.
Do'stlaringiz bilan baham: |