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The input hypothesis, also known as the monitor model, is a group of five hypotheses of second-language acquisition developed by the linguist Stephen Krashen in the 1970s and 1980s. Krashen originally formulated the input hypothesis as just one of the five hypotheses, but over time the term has come to refer to the five hypotheses as a group.
The natural approach is a method of language teaching developed by Stephen Krashen and Tracy Terrell in the late 1970s and early 1980s. The Natural Approach has been used in ESL classes as well as foreign language classes for people of all ages and in various educational settings, from primary schools to universities. [1]
Stephen D. Krashen (born May 14, 1941) is an American linguist, educational researcher and activist, who is Emeritus Professor of Education at the University of Southern California. [1] He moved from the linguistics department to the faculty of the School of Education in 1994.
Visually impaired computer users who cannot use a standard computer monitor can use it to read text output. Deafblind computer users may also use refreshable braille displays. Speech synthesizers are also commonly used for the same task, and a blind user may switch between the two systems or use both at the same time depending on circumstances.
The 23-inch model, dubbed the "Cinema HD Display," was introduced on March 20, 2002, and supported full 1:1 1080p playback on a 1920x1200 pixel display.. On June 28, 2004, Apple introduced a redesigned line of Cinema Displays, along with a new 30-inch model that, like the 23-inch model, carried the "Cinema HD Display" name.
Brake pads should be checked at least every 5,000 miles for excessive or uneven wear. Although brake pad wear is unique to each vehicle, it is generally recommended that brake pads be replaced every 50,000 miles, [6] while brake discs (or rotors) typically last longer, needing replacement every 70,000 miles.
The Northrop Grumman B-21 Raider is an American strategic bomber in development for the United States Air Force (USAF) by Northrop Grumman.Part of the Long Range Strike Bomber (LRS-B) program, it is to be a stealth intercontinental strategic bomber that can deliver conventional and thermonuclear weapons.
Kepler-22b (also known by its Kepler Object of Interest designation KOI-087.01) is an exoplanet orbiting within the habitable zone of the Sun-like star Kepler-22.It is located about 640 light-years (200 parsecs) from Earth in the constellation of Cygnus.