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3 Complete the text using the correct passive form of the verbs in brackets. Record recycling competition Vinyl records ! were developed. (develop) in the early 19th century, but in the 1960s they ? ... (replace) by audio cassette tapes, later by CDs and most recently by digital services. Now, there are millions of old vinyl records that ? (not use) anymore. Thousands of them 4 (throw) away every year. There are many ways that plastic 5 (recycle), but what about vinyl records? A prize of £1, 000 6 (award) to the most creative and original concept for reusing old records and the winner ? (give) the opportunity to put his or her recycling plan into action.
2. In an economic sense, intensity may mean the levels of input per unit of output.
3. He had to examine the relationships between various important items in the balance sheet.
1. ферма должна быть достаточно большой, чтобы поддерживать более одной семьи.
2. В экономическом смысле, интенсивность может означать отношение вложений к единице продукции.
3. Он должен был изучить соотношения между различными основными пунктами в балансовом отчёте.