If you are like most people, it would have been very recently. Talking about TV is one of the most common topics of conversation that people have in the English-speaking world. So it is important that you know the vocabulary used for talking about it in English because you will have a conversation in English with people about it in the future. And this is what you'll learn here.
Hominids started using primitive stone tools millions of years ago. The earliest stone tools were little more than a fractured rock, but approximately 75, years ago,  pressure flaking provided a way to make bbc learning english talking business presentations finer work.
Control of fire by early humans The discovery and utilization of firea simple energy source with many profound uses, was a turning point in the technological evolution of humankind. As the Paleolithic era progressed, dwellings became more sophisticated and more elaborate; as early as ka, humans were constructing temporary wood huts.
The invention of polished stone axes was a major advance that allowed forest clearance on a large scale to create farms.
This use of polished stone axes increased greatly in the Neolithic, but were originally used in the preceding Mesolithic in some areas such as Ireland. Additionally, children could contribute labor to the raising of crops more readily than they could to the hunter-gatherer economy.
Eventually, the working of metals led to the discovery of alloys such as bronze and brass about BCE. The first uses of iron alloys such as steel dates to around BCE. History of transport Meanwhile, humans were learning to harness other forms of energy.
The earliest known use of wind power is the sailing ship ; the earliest record of a ship under sail is that of a Nile boat dating to the 8th millennium BCE.
The ancient Sumerians in Mesopotamia used a complex system of canals and levees to divert water from the Tigris and Euphrates rivers for irrigation. More recently, the oldest-known wooden wheel in the world was found in the Ljubljana marshes of Slovenia.
It did not take long to discover that wheeled wagons could be used to carry heavy loads. The ancient Sumerians used the potter's wheel and may have invented it. The first two-wheeled carts were derived from travois  and were first used in Mesopotamia and Iran in around BCE.
Medieval technologyRenaissance technologyIndustrial RevolutionSecond Industrial RevolutionInformation Technologyand Productivity improving technologies economic history Innovations continued through the Middle Ages with innovations such as silkthe horse collar and horseshoes in the first few hundred years after the fall of the Roman Empire.
Medieval technology saw the use of simple machines such as the leverthe screwand the pulley being combined to form more complicated tools, such as the wheelbarrowwindmills and clocks.
The Renaissance brought forth many of these innovations, including the printing press which facilitated the greater communication of knowledgeand technology became increasingly associated with sciencebeginning a cycle of mutual advancement. The advancements in technology in this era allowed a more steady supply of food, followed by the wider availability of consumer goods.
The automobile revolutionized personal transportation. Starting in the United Kingdom in the 18th century, the Industrial Revolution was a period of great technological discovery, particularly in the areas of agriculturemanufacturingminingmetallurgyand transportdriven by the discovery of steam power.
Technology took another step in a second industrial revolution with the harnessing of electricity to create such innovations as the electric motorlight bulband countless others.
Scientific advancement and the discovery of new concepts later allowed for powered flight and advancements in medicinechemistryphysicsand engineering. The rise in technology has led to skyscrapers and broad urban areas whose inhabitants rely on motors to transport them and their food supply.
Communication was also greatly improved with the invention of the telegraphtelephoneradio and television. The late 19th and early 20th centuries saw a revolution in transportation with the invention of the airplane and automobile.
F and F flying over Kuwaiti oil fires during the Gulf War in The 20th century brought a host of innovations. In physicsthe discovery of nuclear fission has led to both nuclear weapons and nuclear power. Computers were also invented and later miniaturized utilizing transistors and integrated circuits.Cliches and expressions give us many wonderful figures of speech and words in the English language, as they evolve via use and mis-use alike.
Many cliches and expressions - and words - have fascinating and surprising origins, and many popular assumptions about meanings and derivations are mistaken. Feb 27, · Introduction This course gives you useful language and phrases to improve your spoken communication skills in English in different business situations.
🔥Citing and more! Add citations directly into your paper, Check for unintentional plagiarism and check for writing mistakes. Feb 27, · A course about business communication.
Presentations: language expert. Introduction. A good way to make your presentations effective, interesting and easy to follow is to use signpost language.
Technology can be viewed as an activity that forms or changes culture. Additionally, technology is the application of math, science, and the arts for the benefit of life as it is known.
Dartmouth Writing Program support materials - including development of argument. Fundamentals of Critical Reading and Effective Writing. Mind Mirror Projects: A Tool for Integrating Critical Thinking into the English Language Classroom (), by Tully, in English Teaching Forum, State Department, Number 1 Critical Thinking .