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A sentence diagramis a pictorial representation of the grammaticalstructure of a sentence. The term "sentence diagram" is used more when teachingwritten language, where sentences are diagrammed. The model shows the relations between words and the nature of sentence structure and can be used as a tool to help recognize which potential sentences ...
This article is a list of standard proofreader's marks used to indicate and correct problems in a text. Marks come in two varieties, abbreviations and abstract symbols. These are usually handwritten on the paper containing the text. Symbols are interleaved in the text, while abbreviations may be placed in a margin with an arrow pointing to the ...
Number built. 7,478. Developed into. Douglas DC-5. The Douglas A-20 Havoc (company designation DB-7) is an American light bomber, attack aircraft, night intruder, night fighter, and reconnaissance aircraft of World War II . Designed to meet an Army Air Corps requirement for a bomber, it was ordered by France for their air force before the USAAC ...
Roaring Twenties. The Roaring Twenties, sometimes stylized as Roaring '20s, refers to the 1920s decade in music and fashion, as it happened in Western society and Western culture. It was a period of economic prosperity with a distinctive cultural edge in the United States and Europe, particularly in major cities such as Berlin, [ 1] Buenos ...
The Chomsky hierarchy in the fields of formal language theory, computer science, and linguistics, is a containment hierarchy of classes of formal grammars. A formal grammar describes how to form strings from a language's vocabulary (or alphabet) that are valid according to the language's syntax. The linguist Noam Chomsky theorized that four ...
The Phoenician numeral system consisted of separate symbols for 1, 10, 20, and 100. The sign for 1 was a simple vertical stroke (𐤖). Other numerals up to 9 were formed by adding the appropriate number of such strokes, arranged in groups of three. The symbol for 10 was a horizontal line or tack (𐤗 ). The sign for 20 (𐤘) could come in ...
Jazz standards are musical compositions that are widely known, performed and recorded by jazz artists as part of the genre's musical repertoire. This list includes compositions written in the 1920s that are considered standards by at least one major book publication or reference work. Some of the tunes listed were already well-known standards ...
The 1920s Portal. Wall Street Crash of 1929. The 1920s (pronounced "nineteen-twenties" often shortened to the " '20s " or the " Twenties ") was a decade that began on January 1, 1920, and ended on December 31, 1929. In America, it is frequently referred to as the "Roaring Twenties" or the "Jazz Age", while in Europe the period is sometimes ...