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GMAT考试--Testprep数学(1)

2008-11-17 
FOLLOWING ARE SOME OF THE MOST COMMON COUNTER-PREMISE INDICATORS。

    ARGUMENTS INTRODUCTION
  AN ARGUMENT, AS USED ON THE GMAT, IS A PRESENTATION OF FACTS AND OPINIONS IN
  ORDER TO SUPPORT A POSITION. MANY ARGUMENTS WILL BE FALLACIOUS. AND MANY CO
  RRECT ANSWERS WILL BE FALSE! THIS OFTEN CAUSES STUDENTS MUCH CONSTERNATION.
  THEY FEEL THAT THE CORRECT ANSWER SHOULD BE TRUE. BUT THE ARGUMENTS ARE INTE
  NDED TO TEST YOUR ABILITY TO THINK LOGICALLY. NOW LOGIC IS THE STUDY OF THE
  RELATIONSHIPS BETWEEN STATEMENTS, NOT OF THE TRUTH OF THOSE STATEMENTS. BEIN
  G OVERLY CONCERNED WITH FINDING THE TRUTH CAN BE RUINOUS TO YOUR GMAT ARGUME
  NT SCORE.

  "2 OUT OF 5" RULE
  CREATING A GOOD BUT INCORRECT ANSWER-CHOICE IS MUCH HARDER THAN DEVELOPING T
  HE CORRECT ANSWER. FOR THIS REASON, USUALLY ONLY ONE ATTRACTIVE WRONG ANSWER
  -CHOICE IS PRESENTED. THIS IS CALLED THE "2 OUT OF 5" RULE. THAT IS, ONLY TW
  O OF THE FIVE ANSWER-CHOICES WILL HAVE ANY REAL MERIT. HENCE, EVEN IF YOU DO
  N’T FULLY UNDERSTAND AN ARGUMENT, YOU PROBABLY CAN STILL ELIMINATE THE THREE
  FLUFF CHOICES, THEREBY GREATLY INCREASING YOUR ODDS OF ANSWERING THE QUESTI
  ON CORRECTLY.

  LOGIC I
  ALTHOUGH IN THEORY THE ARGUMENT QUESTIONS ARE DESIGNED TO BE ANSWERED WITHOU
  T ANY REFERENCE TO FORMAL LOGIC, THE SECTION IS ESSENTIALLY A LOGIC TEST. SO
  ME KNOWLEDGE OF THE FUNDAMENTALS OF LOGIC, THEREFORE, WILL GIVE YOU A DEFINI
  TE ADVANTAGE. ARMED WITH THIS KNOWLEDGE, YOU SHOULD QUICKLY NOTICE THAT THE
  ARGUMENTS ARE FUNDAMENTALLY EASY AND THAT MOST OF THEM FALLSINTOSA FEW BASIC
  CATEGORIES. IN THIS SECTION, WE WILL STUDY THE LOGICAL STRUCTURE OF ARGUMEN
  TS. IN LOGIC II, WE WILL SYMBOLIZE AND DIAGRAM ARGUMENTS IN MUCH THE SAME WA
  Y AS WE DID WITH GAMES.

  CONCLUSIONS
  MOST ARGUMENT QUESTIONS HINGE, EITHER DIRECTLY or INDIRECTLY, ON DETERMINING
  THE CONCLUSION OF THE ARGUMENT. THE CONCLUSION IS THE MAIN IDEA OF THE ARGU
  MENT. IT IS WHAT THE WRITER TRIES TO PERSUADE THE READER TO BELIEVE. MOST OF
  TEN THE CONCLUSION COMES AT THE END OF THE ARGUMENT. THE WRITER ORGANIZES TH
  E FACTS AND HIS OPINIONS SO THAT THEY BUILD UP TO THE CONCLUSION. SOMETIMES,
  HOWEVER, THE CONCLUSION WILL COME AT THE BEGINNING OF AN ARGUMENT, RARELY D
  OES IT COME IN THE MIDDLE, AND OCCASIONALLY, FOR RHETORICAL EFFECT, THE CONC
  LUSION IS NOT EVEN STATED.

  EXAMPLE:
  THE POLICE ARE THE ARMED GUARDIANS OF THE SOCIAL ORDER. THE BLACKS ARE THE C
  HIEF DOMESTIC VICTIMS OF THE AMERICAN SOCIAL ORDER. A CONFLICT OF INTEREST E
  XISTS, THEREFORE, BETWEEN THE BLACKS AND THE POLICE.--ELDRIDGE CLEAVER, SOUL
  ON ICE
  HERE THE FIRST TWO SENTENCES ANTICIPATE or SET UP THE CONCLUSION. BY CHANGIN
  G THE GRAMMAR SLIGHTLY, THE CONCLUSION CAN BE PLACED AT THE BEGINNING OF THE
  ARGUMENT AND STILL SOUND NATURAL:
  A CONFLICT OF INTEREST EXISTS BETWEEN THE BLACKS AND THE POLICE BECAUSE THE
  POLICE ARE THE ARMED GUARDIANS OF THE SOCIALSGROUPSAND THE BLACKS ARE THE CH
  IEF DOMESTIC VICTIMS OF THE AMERICAN SOCIAL ORDER.
  THE CONCLUSION CAN ALSO BE FORCEDSINTOSTHE MIDDLE:
  THE POLICE ARE THE ARMED GUARDIANS OF THE SOCIAL ORDER. SO A CONFLICT OF INT
  EREST EXISTS BETWEEN THE BLACKS AND THE POLICE BECAUSE THE BLACKS ARE THE CH
  IEF DOMESTIC VICTIMS OF THE AMERICAN SOCIAL ORDER.
  IT IS GENERALLY AWKWARD, AS IN THE PREVIOUS PARAGRAPH, TO PLACE THE CONCLUSI
  ON IN THE MIDDLE OF THE ARGUMENT BECAUSE THEN IT CANNOT BE FULLY ANTICIPATED
  BY WHAT COMES BEFORE NOR FULLY EXPLAINED BY WHAT COMES AFTER. ON THE RARE O
  CCASION WHEN A CONCLUSION COMES IN THE MIDDLE OF AN ARGUMENT, MOST OFTEN EIT
  HER THE MATERIAL THAT COMES AFTER IT or THE MATERIAL THAT COMES BEFORE IT IS
  NOT ESSENTIAL.

  IN SUMMARY: TO FIND THE CONCLUSION, CHECK THE LAST SENTENCE OF THE ARGUMENT.
  IF THAT IS NOT THE CONCLUSION, CHECK THE FIRST SENTENCE. RARELY DOES THE CO
  NCLUSION COME IN THE MIDDLE OF AN ARGUMENT.
  WHEN DETERMINING THE MEANING OF A CONCLUSION, BE CAREFUL NOT TO READ ANY MOR
  ESINTOSIT THAN WHAT THE AUTHOR STATES. ALTHOUGH ARGUMENTS ARE NOT WORDED AS
  PRECISELY AS GAMES, YOU STILL NEED TO READ THEM WITH MORE CARE THAN YOU WOUL
  D USE IN YOUR EVERYDAY READING.
  AS WITH GAMES, READ THE WORDS AND SENTENCES OF AN ARGUMENT PRECISELY, AND US
  E THEIR LITERAL MEANING.
  FOR EXAMPLE, CONSIDER THE MEANING OF SOME IN THE SENTENCE "SOME OF MARY’S FR
  IENDS WENT TO THE PARTY." IT WOULD BE UNWARRANTED, BASED ON THIS STATEMENT,
  TO ASSUME THAT SOME OF MARY’S FRIENDS DID NOT GO TO THE PARTY. ALTHOUGH IT M
  AY SEEM DECEIVING TO SAY THAT SOME OF MARY’S FRIENDS WENT TO THE PARTY WHEN
  IN FACT ALL OF THEM DID, IT IS NONETHELESS TECHNICALLY CONSISTENT WITH THE M
  EANING OF SOME.
  SOME MEANS "AT LEAST ONE AND PERHAPS ALL."
  AS MENTIONED BEFORE, THE CONCLUSION USUALLY COMES AT THE END OF AN ARGUMENT,
  SOMETIMES AT THE BEGINNING, AND RARELY IN THE MIDDLE. WRITERS USE CERTAIN WORDS TO INDICATE THAT THE CONCLUSION IS ABOUT TO BE STATED. FOLLOWING IS A L IST OF THE MOST COMMON CONCLUSION INDICATORS:

  CONCLUSION INDICATORS
  HENCE THEREFORE
  SO ACCORDINGLY
  THUS CONSEQUENTLY
  FOLLOWS THAT SHOWS THAT
  CONCLUDE THAT IMPLIES
  AS A RESULT MEANS THAT
  MOST OFTEN THE CONCLUSION OF AN ARGUMENT IS PUT IN THE FORM OF A STATEMENT.
  SOMETIMES, HOWEVER, THE CONCLUSION IS GIVEN AS A COMMAND or OBLIGATION.
  EXAMPLE:
  ALL THINGS CONSIDERED, YOU OUGHT TO VOTE.
  HERE, THE AUTHOR IMPLIES THAT YOU ARE OBLIGED TO VOTE.
  THE CONCLUSION CAN EVEN BE PUT IN THE FORM OF A QUESTION. THIS RHETORICAL TE
  CHNIQUE IS QUITE EFFECTIVE IN CONVINCING PEOPLE THAT A CERTAIN POSITION IS C
  ORRECT. WE ARE MORE LIKELY TO BELIEVE SOMETHING IF WE FEEL THAT WE CONCLUDED
  IT ON OUR OWN, or AT LEAST IF WE FEEL THAT WE WERE NOT TOLD TO BELIEVE IT.
  A CONCLUSION PUT IN QUESTION FORM CAN HAVE THIS RESULT.

  EXAMPLE:
  THE NANUUTS BELIEVE THAT THEY SHOULD NOT TAKE FROM NATURE ANYTHING SHE CANNO
  T REPLENISH DURING THEIR LIFETIME. THIS ASSURES THAT FUTURE GENERATIONS CAN
  ENJOY THE SAME RICHES OF NATURE THAT THEY HAVE. AT THE CURRENT RATE OF DESTR
  UCTION, THE RAIN FORESTS WILL DISAPPEAR DURING OUR LIFETIME. DO WE HAVE AN O
  BLIGATION TO FUTURE GENERATIONS TO PREVENT THIS RESULT?
  HERE THE AUTHOR TRUSTS THAT THE POWER OF HER ARGUMENT WILL PERSUADE THE READ
  ER TO ANSWER THE QUESTION AFFIRMATIVELY.
  TAKING THIS RHETORICAL TECHNIQUE ONE STEP FURTHER, THE WRITER MAY BUILD UP T
  O THE CONCLUSION BUT LEAVE IT UNSTATED. THIS ALLOWS THE READER TO MAKE UP HI
  S OWN MIND. IF THE BUILD-UP IS DONE SKILLFULLY, THE READER WILL BE MORE LIKE
  LY TO AGREE WITH THE AUTHOR, WITHOUT FEELING MANIPULATED.

  EXAMPLE:
  HE WHO IS WITHOUT SIN SHOULD CAST THE FIRST STONE. THERE IS NO ONE HERE WHO
  DOES NOT HAVE A SKELETON IN HIS CLOSET.
  THE UNSTATED BUT OBVIOUS CONCLUSION HERE IS THAT NONE OF THE PEOPLE HAS THE
  RIGHT TO CAST THE FIRST STONE.
  WHEN DETERMINING THE CONCLUSION’S SCOPE BE CAREFUL NOT TO READ ANY MORE or L
  ESSSINTOSIT THAN THE AUTHOR STATES. GMAT WRITERS OFTEN CREATE WRONG ANSWER-C
  HOICES BY SLIGHTLY OVERSTATING or UNDERSTATING THE AUTHOR’S CLAIM. CERTAIN W
  ORDS LIMIT THE SCOPE OF A STATEMENT. THESE WORDS ARE CALLED QUANTIFIERS--PAY
  CLOSE ATTENTION TO THEM. FOLLOWING IS A LIST OF THE MOST IMPORTANT QUANTIFI
  ERS:

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