2015年12月英语2015年12月英语.docVIP

[A]?Imagine?taking?a?college?exam,?and?instead?of?handing?in?a?blue?book?and?getting?a?grade?from?a?professoer?a?few?weeks?later,?clicking?the?“send”?button?when?you?are?done?and?receiving?a?grade?back?instantly,?your?essay?scored?by?a?software?program.?And?then,?instead?of?being?done?with?the?exam,?imagine?that?the?system?would?immediately?let?you?rewrite?the?test?to?try?to?improve?your?grade.? ??[B]?Edx,the?nonprofit?enterprise?founded?by?Harvard?and?the?Massachusetts?Institute?of?Thnology(MIT)?to?offer?courses?on?the? Internet?,has?just?introduced?such?a?system?and?will?make?its?automated(自动的)software?available?free?on?the?Web?to?any?institutioons?that?wants?to?use?it.?The?software?uses?artificial?intelligence?to?grade?student?essays?and?short?written?answers,?freeing?professors?for?other?tasks. [C]?The?new?service?will?bring?the?educational?consortium(联盟)into?a?growing?conflict?over?the?role?of?the?automation?education.?Altough? automated?grading?systems?for?multiple-choice?and?true-false?tests?are?now?widespread,?the?use?of?artificial?intelligence?technology?to?grade?essay?answers?has?not?yet?provided?widespread?acceptance?by?educations?and?has?many?critics.? ??[D]?Anant?Agarwal,?an?electrical?engineer?who?is?president?of?Edx,?predicted?that?the?instant?grading?software?would?be?a?useful?teaching?tool,enabling?students?to?take?tests?and?write?essays?over?and?over?and?improve?the?quality?of?their?answers?.?He?said?the?technology?would?offer?distinct?advantages?over?the?traditional?classroom?system,?where?students?often?wait?days?or?weeks?for?grades.“Thers?is?a?huge?value?in?learning?with?instant?feedback,”?Dr.Agarwal?said,?“Students?are?telling?us?they?learn?much?better?with?instant?feedback.”? [E]But skeptics say?the?automated?system?is?no?matter?for?live?teachers.?One?longtime?critic,?Les?Perelman，has?drawn?national?attention?several?times?for?putting?together?nonsense?essays?that?have?fooled? software?grading?programs?into?giving?high?marks.?He?has?also?been?