ĐÁP ÁN EX1: A Indicate the word that differs from the other three in the position of primary stress A develop B adjective C generous D popular A beautiful B important C delicious D exciting A element B regular C believing D policy A punctual B tolerant C utterance D occurrence A expensive B sensitive C negative D sociable A education B development C economic D preparation A attend B option C percent D become A literature B entertainment C recreation D information A attractive B perception C cultural D expensive 10 A chocolate B structural C important D national B Indicate the word whose bold part differs from the other three in pronunciation A lively B kite C driven D bite A sale B band C sand D tan A started B looked C decided D coincided A blow B show C hole D cow A sung B supper C supply D nun A mule B mug C mud D multiply A cats B tapes C lives D cooks A ground B should C about D amount A weather B bread C ahead D mean 10 A author B other C there D breathe EX2: I Choose the word whose main stress pattern is placed differently from others A circle B saucer C orbit D mistake A necessity B efficiency C refrigerate D electronic A knowledge B language C publish D amount A entertainment B interactive C development D education A extensive B parade C abrupt D forecast A recent B Easter C humor D receive A equality B difficulty C discovery D simplicity A power B solar C resource D nuclear A economics B inspection C regulation D individual 10 A absolute B important C responsible D familiar II.Choose the word whose underlined part is pronounced differently from that of the others A considerable A dripped A rubbish A divided A watched A plumber A space A finished A reliable 10 A houses B congratulate B conserved B reduce B arrived B believed B hobby B planet B played B variety B services C decorate C received C truck C seemed C studied C baggy C volcano C preferred C preserve C passages D profitable D learned D dump D prayed D played D behave D state D freed D resolve D techniques EX3: I Choose the word whose main stress pattern is placed differently from others A typhoon A account A ability A solar A symbol A custom A effective A education A surface 10 A benefit B disaster B conserve B acceptable B ladder B practice B certain B efficiency B community B remind B commercial C temperature C install C education C forest C person C select C appliance C development C wander C encourage D experience D faucet D design D invent D embrace D winter D innovation D unbreakable D spacecraft D embroider II.Choose the word whose underlined part is pronounced differently from that of the others A arranged A garbage A entrance A cleaned A equipped A transfer A needed A amount A volcano 10 A ancient EX 4: B wanted B standard B paddy B played B delivered B newspaper B conserved B countable B locate B staple C climbed C solar C bamboo C used C transferred C thousand C destroyed C country C oversleep C afford D stayed D lunar D banyan D hoped D received D relatives D proposed D around D icon D occasion A Indicate the word that differs from the other three in the position of primary stress A compliment B effective C activist A garbage B junkyard C protect A pollution B electric C pesticide A nuclear B solar C power A correct B loyal C selfish A engineer B national C architect A environment B Pollution C conservation A economical B essential C efficient A luxury B ordinary C energy 10 A highland B thunder C flashlight D charity D treasure D consumer D recycle D Careful D scientist D development D important D appliance D typhoon B Indicate the word whose bold part differs from the other three in pronunciation A flow B folk C pollute A innovation B model C solid A Passover B compose C solar A innovation B congratulate C considerate A minimize B provide C chopstick A bill B efficiency C minimize A predict B priority C miss A limitation B environment C priority A considerate B disappointed C provide 10 A abrupt B thunderstorm C volume D row D nominate D solid D profitable D pesticide D drip D sticky D pipe D effective D trust EX 5: A Indicate the word that differs from the other three in the position of primary stress A recent B suggest C apply D divide A expensive B official C impossible D beautiful A suggested B remember C restaurant D increase A population B government C understand D scientific A fashion B pattern C symbol D design A prisoner B disaster C agency D president A typhoon B disaster C temperature D experience A eruption B tornado C predict D snowstorm A account B conserve C install D faucet 10 A energy B natural C appliance D furniture B Indicate the word whose bold part differs from the other three in pronunciation A hates B works C stops D lives A school B child C cheese D church A watches B misses C makes D wishes A book B pool C school D soon A arranged B wanted C climbed D stayed A lazy B sticky C supply D baggy A garbage B standard C solar D lunar A worked B decided C stopped D asked A spend B invent C media D access 10 A count B found C could D sound EX 6: I.Indicate the word that differs from the other three in the position of primary stress 1.A.tornado B.scientist C.along D predict 2.A.earthquake B.considerate C.available D.erupt 3.A.abrupt B.predict C.natural D.disaster 4.A.authority B.necessity C.academic D.commercially 5.A.popular B.distinguish C.exciting D.original 6.A.tidal B.erupt C.cyclone D.hurricane 7.A.electricity B.population C.innovation D.celebrate 8.A.temperature B.packaging C.effectively D.organize 9.A.understand B.imagine C.develop D.consider 10.A.scientific B.economic C.volunteer D.surprising II.Indicate the word whose bold part differs from the other three in pronunciation 1.A.tide 2.A.extensive 3.A.plumber 4.A.stopped 5.A.both 6.A.wood 7.A.damage 8.A.appliance 9.A.nature 10.A.country B.kind B.shelter B.climb B.forced B.earth B.food B.can B.behave B.pure B.cover C.hit C.mend C.book C.worked C.southern C.look C.fan C.make C.culture C.economical D.wife D.then D.comb D.wanted D.thank D.foot D.hat D.hate D.picture D.celcius EX 7: I Find the word that differs from the other three in the position of primary stress: A region B comprise C Malaysia D compulsory A associate B Buddhism C divide D together A religion B although C impress D currency A primary B religion C tropical D friendliness A impression B separate C officer D optional A nationality B mausoleum C recognition D peacefully A impressive B separation C officially D consist A instructor B addition C impressed D correspond A inspiration B fashionable C modernize D countryside 10 A enjoyable B convenient C exciting D interesting II Choose the word whose underline part is pronounced differently from the others A thought B tough C taught D bought A pleasure B heat C meat D feed A earthquake B path C southern D thunderstorm A university B unique C unit D undo A suggestion B imagination C capture D question A balloon B disappear C alien D abroad A earning B learning C searching D clearing A waited B mended C naked D faced A destroy B disaster C Celsius D trust 10 A location B organization C forward D dormitory EX 8: I-Indicate the word that differs from the other three in the position of primary stress 1-A.standard B freedom C compose D ancient 2-A regularly B considerate C efficiency D pollution 3-A.tidal B-destroy C-joyful D-freedom 4-A.compose B-destroy C-label D-install 5-A.receive B-solar C-cover D-purpose 6-A.control B-response C-remote D-costly 7-A.admire B-climate C-casual D-blanket 8-A.consideration B-inspiration C-deforestation D-communication 9-collection B-population C-pollution D-deforestation 10-limitation B-question C-pollution D-collection II Indicate the word whose bold part differs from the other three in pronunciation 1-A reached B destroyed C cooked D replaced 2-A ultimately B bulb C trust D pollute 3-celebrate B-replace C-separate D-profitable 4-A-standard B-locate C-charity D-blanket 5-A.communicate B-documentary C-viable D-disappointed 6-A.deforestation B-interactive C.wrap D-crack 7-A.website B-violent C-widely D-effectively 8-viable B-disappointed C-environment D-dynamite 9-deforestation B-documentary C-deny D-efficiency 10-A.energy B-environment C-prevent D-fence EX 9: I-Indicate the word that differs from the other three in the position of primary stress A compulsory B correspond C impress D divide A appliance B activity C adventure D average A favorite B government C influence D identify A conclusive B pesticide C condition D imagine A energy B terrify C evidence D existence A mineral B meteor C sewage D achieve A funnel B extensive C destroy D typhoon A minority B majority C traditional D inspiration A volcano B distinguish C generous D considerate 10 A account B faucet C install D conserve II Indicate the word whose bold part differs from the other three in pronunciation A slavery B ancient C celebrate D parade A carriage B lift C tidal D shift A destroy B expect C erupt D decorate A amount B achieve C dynamite D deforestation A energy B generous C category D suggest A thunderstorm B weather C clothing D therefore A predict B consider C priority D sticky A option B question C federation D mention A snowstorm B knowledge C show D owner 10 A battles B fights C mysteries D hamburgers EX 10: I Choose the word whose main stress pattern is not the same as that of the others A.reduce B.litter C.protect D.complain A.garbage B.rubbish C.exhaust D.forest A.sewage B.authority C.refreshment D.environment A.dynamite B.pesticide C.pollution D.company A.sincerely B.carefully C.faithfully D.finally A.category B.ordinary C.model D.receive A.install B.nuclear C.efficiency D.conserve A.suggestion B.standard C.ultimately D.recent A.household B.solid C.effectively D.energy 10 A.recent B.replace C.category D.label II Choose the word whose underlined part is pronounced differently from that of the other three: A.picnic B.similar C.pesticide D.dynamite A.mass B.trash C.save D.wrap A.pollute B.bubble C.public D.truck A.divided B.checked C.provided D.prevented A.courses B.forces C.resources D.treasures A.energy B.recently C.suggest D.effective A.label B.appliance C.standard D.account A.solid B.pipe C.ordinary D.ultimately A.regular B.bulb C.ultimately D.plumber 10 A.conserve B.innovation C.consumer D.solar