The Telephone
The telephone, invented by Alexander Graham Bell in 1876, forever changed the way we
communicate. Before the telephone, the only way to send a message over long distances
was by telegraph, which required trained operators. The telephone made it possible for
people to speak directly to each other, no matter how far apart they were.
The Internet
The Internet is certainly one of the most important inventions of the 20th century. It was
first developed in the 1960s as a way for researchers to share information. Today, the
Internet is used by billions of people around the world for a wide range of purposes. The
Internet has also transformed industries such as entertainment, retail, and journalism.
Penicillin
Penicillin, the world's first antibiotic, was discovered by Alexander Fleming in 1928. Before
penicillin, even minor infections could be deadly. Penicillin revolutionized medicine by
making it possible to treat bacterial infections effectively.
The automobile
The invention of the automobile in the late 19th century changed the way we travel and
shaped the modern world. Cars made it possible for people to travel long distances quickly
and easily. They also led to the development of new industries, such as oil and gas, and
transformed cities by creating a need for roads and highways.
In conclusion, these seven discoveries and inventions have had an enormous impact on
society and the way we live.
1. Wheels allowed people to...
2. The printing press made it possible to...
3. The discovery of electricity transformed...
4. Before the invention of the telephone....
5. The original purpose of the Internet was to...
6. Before the discovery of penicillin....
7. The automobile caused ...
A. the way we live and work by supplying power to machines and appliances.
B. even simple illnesses could be deadly.
C. get free copies of expensive books in the old times.
D. move heavier loads and cross distances easily.
E. facilitate information sharing among researchers.
F. the telegraph was the only means of long-distance message delivery.
G. the development of new industries, such as oil and gas.
H. produce books in large quantities.
I. people had strong immune system.
