Unit 3 Computer（Vocabulary and Useful Expressions）教案

unit 3 computer
vocabulary and useful expressions
common
  n.   1. an area of grassland with no fences which all people are free to use or a piece of open land for recreational use in an urban area (常用于專有名詞中): every saturday jean went riding on the village common. harlow common is very beautiful in winter.哈洛公園在冬天時風景很美。2. in common: in shared possession  3. out of common: unusual  adj.   1. of or associated with the great masses of people: the common people in those days suffered greatly. 2. to be expected; standard: common decency. 3. common to or shared by two or more parties: common friend. 4. of no special distinction or quality; widely known or commonly encountered; average or ordinary or usual: the common man. 5. belonging to or participated in by a community as a whole; public: for the common good. 6. commonly encountered: a common (or familiar) complaint. 7. being or characteristic of or appropriate to everyday language: common parlance. 8. lacking refinement or cultivation or taste: behavior that branded him as common. 9. of low or inferior quality or value: produced...the common cloths used by the poorer population.
simple
  n.   1. any herbaceous plant having medicinal properties 2. a person lacking intelligence or common sense adj.   1. not elaborate in style; unornamented: a simple country schoolhouse. 2. (botany) of leaf shapes; of leaves having no divisions or subdivisions 3. having few parts; not complex or complicated or involved: a simple problem. 4. easy and not involved or complicated: a simple game.) 5. lacking mental capacity and devoid of subtlety 6. exhibiting childlike simplicity and credulity: simple courtesy.
technology
  n.   1. the practical application of science to commerce or industry 2. the discipline dealing with the art or science of applying scientific knowledge to practical problems
universal
  n.   coupling that connects two rotating shafts allowing freedom of movement in all directions: in motor vehicles a universal joint allows the drive shaft to move up and down as the vehicle passes over bumps.) adj.   of worldwide scope or applicability: universal experience.
mathematical
  adj.   1. statistically possible though highly improbable: have a mathematical chance of making the playoffs. 2. beyond question: a mathematical certainty. 3. of or pertaining to or of the nature of mathematics: a mathematical textbook. 4. characterized by the exactness or precision of mathematics: mathematical precision. 5. relating to or having ability to think in or work with numbers: a mathematical whiz.