GLI: Listening & Speaking, unit 5, Speaking and Speaking Task.
GR: Reading & Writing, unit 5, Writing and Writing Task.
Reading & Writing, unit 5, Writing, exercise 1.
These are the answers suggested:
1 When the web took off in the mid-1990s, Pierre Omidyar, a
computer programmer, worried that big business would be a barrier to individual
commerce.
OR
When the web took off in the mid-1990s, computer programmer
Pierre Omidyar worried that big business would be a barrier to individual
commerce.
2 Paul Ehrlich, a German scientist in the 1870s, used
Perkin’s dyes to do groundbreaking work in chemotherapy.
OR
Paul Ehrlich, a German scientist, used Perkin’s dyes to do
groundbreaking work in chemotherapy in the 1870s.
3 In the late 1800s, pharmacist John Pemberton was trying to
find a cure for headaches.
OR
In the late 1800s,
John Pemberton, a pharmacist, was trying to find a cure for headaches.
4 Pemberton started selling his drink in 1887, at a local drugstore
soda fountain, and it remained there for eight years before his business
finally took off.
OR
Pemberton started selling his drink at a local drugstore
soda fountain in 1887, and it remained there for eight years before his
business finally took off.
5 The penicillin mold that Fleming discovered by chance
became the first antibiotic and is still one of the most widely used
antibiotics today.
Other solutions are also possible.
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