1. Please read the following text and answer these questions in complete sentences:
a) Who is involved in the experiment?
b) What are the researchers trying to find out?
c) Why can COOL be highly efficient?
2. Look at the following words and their definitions. When you understand what the
words mean put them into the spaces in the text.
The waste slurry, which eventually creates fertilizers for the farm, is a useful source
of gas. They pump the (a) _______________ into a lake and cover it with a huge
plastic bag. This collects the last (b) _______________ of methane from the
(c) _______________ mass. In the mid 1950’s, agriculturalists spoke of
(d) _______________ in energy. By (e) _______________ waste materials, they
hoped to cut their production costs by up to 20 per cent. But until the project at Ismaning started up, the country had only 45 small biogas (f) _______________ that
together held a total of 40,000 cubic metres of animal waste.
definition
exploiting – using, making use of
decomposing – breaking down of the structure of a vegetable substance
(verb: decompose)
plants – many factories together in one complex. They usually
manufacture goods
self-sufficiency – surviving by oneself or supporting oneself
(independence)
traces – small parts which are left over. It proves that a
substance existed
slurry – a mixture of water and animal waste used as fertilizer
3. Passive: Please translate the following sentences into English (using the passive
form).
a) Einstein wird als einer der brillantesten Wissenschaftler aller Zeiten angesehen
(regard).
b) Er war an der Universität Berlin angestellt.
c) 1921 wurde ihm der Nobelpreis (Nobel Prize) verliehen (award).
d) Ihr wurde ein neuer Arbeitsplatz angeboten.
e) Die Substanz wird in einem teuren Verfahren gewonnen.
f) Dieses Produkt wurde in Amerika und Europa verkauft.
4. Comparative and superlative
a) List two points against each of the following sources of energy and two points in
favour.
b) Use these points to write FIVE sentences comparing the sources of energy.
(Use both comparative and superlative forms.)
e.g.: Comparative: Solar energiy is more environmentally friendly than energy
from coal.
Superlative: Solar power is the most environmentally friendly form of
energy of these three types.
5. Text production: Write about 150 words suggesting how we can reduce our energy
consumption (Verbrauch).
2.00
2.00
;)
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