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It is the product of EF Education First, an international education company, and draws its conclusions from data collected via English tests available for free over the internet. [ 3 ] [ 4 ] The index is an online survey first published in 2011 [ 5 ] based on test data from 1.7 million test takers. [ 6 ]
The EF Standard English Test is a standardized test of the English language designed for non-native English speakers. [1] It is the product of EF Education First , a global language training company, and a team of language assessment experts including Lyle Bachman, Mari Pearlman, and Ric Luecht.
EF Education First (abbreviated as EF) is an international education company that specialises in language training, educational travels, academic degree programmes, and cultural exchanges. The company was founded in 1965 by Bertil Hult in the Swedish university town of Lund .
Can understand the main points of clear standard input on familiar matters regularly encountered in work, school, leisure, etc. ... EF Standard English Test [51] 1 ...
The Enhanced Fujita scale (abbreviated as EF-Scale) rates tornado intensity based on the severity of the damage they cause. It is used in some countries, including the United States and France. [ 1 ] The EF scale is also unofficially used in other countries, including China and Brazil.
An ejection fraction (EF) is the volumetric fraction (or portion of the total) of fluid (usually blood) ejected from a chamber (usually the heart) with each contraction (or heartbeat). It can refer to the cardiac atrium , [ 1 ] ventricle , [ 2 ] gall bladder, [ 3 ] or leg veins, [ 4 ] although if unspecified it usually refers to the left ...
The son of Detroit Mercy coach Mike Davis has piled up 3,604 points during his five-year college career, 63 shy of equaling a record that previously had gone unthreatened for more than half a century.
The EF series includes over eighty lenses, encompassing focal lengths from 8 to 1200 mm. Many EF lenses include such features as Canon's ultrasonic motor (USM) drive, an image stabilization system (IS), diffractive optics (DO) and, particularly for L-series lenses, fluorite and aspherical lens elements.