Page 261 - IELTS Preparation Grammar and Vocab
P. 261
Science and technology
Discovery, solutions
Discovery
En Which three of these inventions or discoveries do you think are the most important? Put a (/).
radio television the telephone
electricity
the personal computer nuclear energy
the Internet the microchip
the aeroplane birth control
penicillin
sanitation
the internal combustion engine
CII91 Listen to three people talking about the most important discoveries and inventions.
Answer these questions for each speaker.
What does each speaker choose?
1 2 What are the reasons for these choices?
Speaker 1
Speaker 1
Speaker 2
Speaker 2
Speaker 3
Speaker 3
En DE Listen again and complete the sentences with words used by the speakers.
Without electric lighting many
would have been more difficult.
1
2 depend on electricity.
Many parts of
The discovery of penicillin saved
3
4 in the developed world.
Antibiotics have increased the average
5 Microchips are the brain, heart and
of digital devices.
6 than in any other period.
Since the early 1970s there have been more
1.4 Match the branch of science (1-10) with the words lists (a—j).
1 anatomy a carnivore; invertebrate; mammal; prey; venom
2 anthropology b biodiversity; extinction; habitat; pollution; species
3 archaeology c asteroid; comet; galaxy; nebula; orbit
4 astronomy d aftershock; earthquake; magma; tremor; volcano
5 ecology e culture; custom; taboo; tribe; warfare
6 genetics I joint; muscle; organ; spine; vein
7 meteorology atmosphere; humidity; hurricane; pressure; temperature
8 psychology h chromosome; heredity; mutation; organism; variation
9 seismology i ancestor bone; dig remains; settlement
10 zoology behaviour instinct; intelligence; memory; mind
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