1 Complete the sentences using 'discover', 'discovery
or 'invent', 'invention' in the right form.
1 Writing was probably the most revolutionary of all human.
2 The 15th-17th centuries were the time of great geographic ---
3 Who ... the computer?
4 Penicillin was ... by Alexander Fleming.
5 In what country was money first?
6 When did they ...oil in the North Sea?
7 The ... of the atom meant the beginning of a new era in
physics.
8 Australia was ... for Europeans by James Cook.
9 The mobile telephone is a wonderful ...​

1. Writing was probably the most revolutionary of all human inventions.

Explanation: Writing is considered one of the most important and revolutionary human inventions because it allowed people to record and communicate their thoughts and knowledge. It enabled the preservation of information and the transmission of ideas across time and space. Without writing, the development of civilizations and the accumulation of knowledge would have been severely limited.

2. The 15th-17th centuries were the time of great geographic discoveries.

Explanation: During the 15th to 17th centuries, there were significant explorations and expeditions that led to the discovery of new lands, continents, and trade routes. These discoveries greatly expanded the knowledge of the world's geography and had a profound impact on global trade, colonization, and cultural exchange.

3. Who discovered/invented the computer?

Explanation: The use of the word "discovered" or "invented" depends on the context. If we are referring to the computer as a whole, then it is more appropriate to use "invented" because it was created through a series of technological advancements and innovations by multiple individuals over time. However, if we are referring to a specific aspect or component of the computer, such as the microprocessor or the graphical user interface, then we can use "discovered" to highlight the specific person or team that made that particular breakthrough.

4. Penicillin was discovered by Alexander Fleming.

Explanation: Alexander Fleming, a Scottish biologist and pharmacologist, discovered penicillin in 1928. He noticed that a mold called Penicillium notatum produced a substance that inhibited the growth of bacteria. This discovery revolutionized medicine by introducing the first antibiotic, which proved to be highly effective in treating bacterial infections.

5. In what country was money first invented?

Explanation: Money, in the form of currency, was first invented in ancient China. The Chinese were the first to use standardized metal coins as a medium of exchange, which facilitated trade and economic activities. However, it is important to note that various forms of trade and barter existed before the invention of currency.

6. When did they discover oil in the North Sea?

Explanation: Oil was discovered in the North Sea region in the 1960s. Extensive drilling and exploration efforts revealed significant deposits of oil and gas beneath the seabed, which led to the establishment of offshore oil fields and the development of the petroleum industry in the North Sea region.

7. The discovery of the atom meant the beginning of a new era in physics.

Explanation: The discovery of the atom revolutionized our understanding of the physical world and marked the beginning of modern atomic theory. It led to significant advancements in the field of physics and laid the foundation for further discoveries in nuclear physics, quantum mechanics, and many other scientific disciplines.

8. Australia was discovered by Europeans through the voyages of James Cook.

Explanation: James Cook, a British explorer, is credited with the European discovery of Australia during his voyages in the 18th century. Prior to European exploration, Australia was already inhabited by indigenous peoples for thousands of years.

9. The mobile telephone is a wonderful invention.

Explanation: The mobile telephone, also known as a cellphone or mobile phone, is a remarkable invention that has transformed the way we communicate. It allows individuals to make and receive calls wirelessly from virtually anywhere, providing convenience and connectivity on the go. The mobile telephone has revolutionized personal and business communication, making it an essential tool in today's society.