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选修(6)Unit 4
[ 2007-1-8 10:54:00 | By: xuyingxin ]
 

Unit 4 Book 6

Renewable

1.capable of being renewed *renewable contracts*

2 : capable of being replaced by natural ecological cycles or sound management practices *renewable resources*

Greenhouse

1 : a structure enclosed (as by glass) and used for the cultivation or protection of tender plants

2 : a clear plastic shell (as a canopy) covering a section of an airplane;  also   : a compartment (as for a bombardier) enclosed by such a shell

Compare

to represent as similar : LIKEN *shall I compare thee to a summer's day? Shakespeare*

Compare to

Come about

Graph

a diagram (as a series of one or more points, lines, line segments, curves, or areas) that represents the variation of a variable in comparison with that of one or more other variables

Phenomenon

1 plural phenomena   : an observable fact or event

2 plural phenomena  : an object or aspect known through the senses rather than by thought or intuition

1 : quick and ready insight

2 a : immediate apprehension or cognition  b : knowledge or conviction gained by intuition  c : the power or faculty of attaining to direct knowledge or cognition without evident rational thought and inference

Fuel

a : a material used to produce heat or power by burning  b : nutritive material  c : a material from which atomic energy can be liberated especially in a reactor

Methane

a colorless odorless flammable gaseous hydrocarbon CH4 that is a product of decomposition of organic matter and of the carbonization of coal, is used as a fuel and as a starting material in chemical synthesis, and is the simplest of the alkanes

Quantity

a : an indefinite amount or number  b : a determinate or estimated amount  c : total amount or number

Quantities of

Measurement

1 : the act or process of measuring

2 : a figure, extent, or amount obtained by measuring : DIMENSION

Per

1 : by the means or agency of : THROUGH *per bearer*

2 : with respect to every member of a specified group : for each

Data

factual information (as measurements or statistics) used as a basis for reasoning, discussion, or calculation *the data is plentiful and easily available H. A. Gleason, Jr.* *comprehensive data on economic growth have been published N. H. Jacoby*

2 : information output by a sensing device or organ that includes both useful and irrelevant or redundant information and must be processed to be meaningful

3 : information in numerical form that can be digitally transmitted or processed

usage Data leads a life of its own quite

Result in

Catastrophe

the final event of the dramatic action especially of a tragedy

Climate

the average course or condition of the weather at a place usually over a period of years as exhibited by temperature, wind velocity, and precipitation 

Famine

an extreme scarcity of food

Destruction

1 : the state or fact of being destroyed : RUIN

2 : the action or process of destroying something

Speculation

an act or instance of speculating: as 

a : assumption of unusual business risk in hopes of obtaining commensurate gain 

b : a transaction involving such speculation

Environment

the circumstances, objects, or conditions by which one is surrounded

Consequence

a conclusion derived through logic : INFERENCE

State

a : mode or condition of being *a state of readiness*  b (1) : condition of mind or temperament *in a highly nervous state* (2) : a condition of abnormal tension or excitement

2 a : a condition or stage in the physical being of something *insects in the larval state* *the gaseous state of water*  b : any of various conditions characterized by definite quantities (as of energy, angular momentum, or magnetic moment) in which an atomic system may exist

Range

a (1) : a series of things in a line : ROW (2) : a series of mountains (3) : one of the north-south rows of townships in a U.S. public-land survey that are numbered east and west from the principal meridian of the survey

Build up

1 : to develop gradually by increments *building up endurance* *built up a library*

2 : to promote the health, strength, esteem, or reputation of

Keep on

Glance

a of the eyes   : to move swiftly from one thing to another  b : to take a quick look at something *glanced at his watch

Widespread

1 : widely diffused or prevalent *widespread public interest*

2 : widely extended or spread out *low, widespread hood and fenders Time* *a widespread erosion surface C. B. Hitchcock*

Hectare

Decrease

to grow progressively less (as in size, amount, number, or intensity)

transitive senses   : to cause to decrease

On the whole

1 : in view of all the circumstances or conditions : all things considered  2 : in general : in most instances : TYPICALLY

Steady

a : direct or sure in movement : UNFALTERING  b : firm in position : FIXED  c : keeping nearly upright in a seaway *a steady ship*

Steadlily

Emphasis

a : force or intensity of expression that gives impressiveness or importance to something  b : a particular prominence given in reading or speaking to one or more words or syllables

Average

1 a : a single (as a mean, mode, or median) that summarizes or represents the general significance of a set of unequal s  b : MEAN 1b

2 a : an estimation of or approximation to an arithmetic mean  b : a level (as of intelligence) typical of a group, class, or series *above the average*

Existence

1 a obsolete   : reality as opposed to appearance  b : reality as presented in experience  c (1) : the totality of existent things (2) : a particular being *all the fair existences of heaven John Keats*  d : sentient or living being : LIFE

2 a : the state or fact of having being especially independently of human consciousness and as contrasted with nonexistence  b : the manner of being that is common to every mode of being  c : being with respect to a limiting condition or under a particular aspect

Outer

a : situated farther out *the outer limits*  b : being away from a center  c : situated or belonging on the outside *the outer covering*

Individual

1 obsolete   : INSEPARABLE

2 a : of, relating to, or distinctively associated with an individual *an individual effort*  b : being an individual or existing as an indivisible whole  c : intended for one person *an individual serving*

3 : existing as a distinct entity : SEPARATE

Make a difference

Put up with

to endure or tolerate without complaint or attempt at reprisal

Pollution

the action of polluting especially by environmental contamination with man-made waste;  also   : the condition of being polluted

Electrical

of, relating to, or operated by electricity

Appliance

1 : an act of applying

2 a : a piece of equipment for adapting a tool or machine to a special purpose : ATTACHMENT  b : an instrument or device designed for a particular use;  specifically   : a household or office device (as a stove, fan, or refrigerator) operated by gas or electric current

So long as

1 : during and up to the end of the time that : WHILE

2 : provided that

And so on

and so forth

Motor

any of various power units that develop energy or impart motion: as  a : a small compact engine  b : INTERNAL COMBUSTION ENGINE;  especially   : a gasoline engine  c : a rotating machine that transforms electrical energy into mechanical energy

Can

a vessel for holding liquids;  specifically   : a drinking vessel

Microwave

1 : a comparatively short electromagnetic wave;  especially   : one between about 1 millimeter and 1 meter in wavelength

2 : MICROWAVE OVEN

Heading

1 a : something that forms or serves as a head;  especially   : an inion, headline, or title standing at the top or beginning (as of a letter or chapter)  b : the address and date at the beginning of a letter showing its place and time of origin

2 : the compass direction in which the longitudinal axis of a ship or aircraft points;  broadly   : DIRECTION

Imperative

a : of, relating to, or constituting the grammatical mood that expresses the will to influence the behavior of another  b : expressive of a command, entreaty, or exhortation  c : having power to restrain, control, and direct

Nuclear

of, relating to, or constituting a nucleus

Disagreemen

1 : the act of disagreeing

2 a : the state of being at variance : DISPARITY  b : QUARREL

Title

a obsolete   : INION  b : written material introduced into a motion picture or television program to give credits, explain an action, or represent dialogue   usually used in plural

Volcano

Mild

1 : gentle in nature or behavior *has a mild disposition*

2 a (1) : moderate in action or effect *a mild cigar* (2) : not sharp or bitter *mild cheese* *mild ale*  b : not being or involving what is extreme *an analysis under mild conditions* *a mild slope*

3 : not severe : TEMPERATE *a mild climate* *mild symptoms of disease*

 

 
 

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