1,from each number pick out the word whose underlined part is pronounced differently from the others 1)A happy B hour C high D hotel 2)A so B coat C note D bottom 3)A put B luck C lung D drunk 4)A bare B car C card D farm 5)A come B love C women D some 6)A many B make C fate D pain 7)A heat B sweat C threat D thread 8)A climb B dictionary C economic D six 9)A beg B age C gather D guess 10)A children B choose C child D mechanic 2,from each number pick out one word which has the stress on the first syllable 1)A garbage B junkyard C protect D treasure 2)A collected B published C protected D provided 3)A recycle B refreshment C creatures D reuse 4)A limitation B intermediate C desforestation D disappointed 5)A garbage B problem C solution D sewage 3,choose the word or the phrase or sentences that best completes each unfinished sentence below or that best keeps the meaning of the original sentence if it is substituted for the underlined word or phrase 1) air is one of the many problems we have to solve A pure B polluted C dust D pleasant 2)i'll be in trouble if i my passport A lose B will lose C lost D would lose 3)we can eat at home or you prefer we can go to a restaurant A when B whether C if D which 4)if it is raining this evening,i A will go out B don't go out C go out D won't go out 5)minh's english is excellent he speaks A perfectly english B english perfectly C perfect english D english perfect 6)i'm disappointed people have spoiled this area A that B when C if D how 7)he to find a job but he had no luck A hardly tried B hard tried C tried hardly D tried hard 8)we couldn't go on a picnic as planned it was raining A however B but C because D so 9)if he hard today can he have a holiday tomorrow? A works B will work C worked D would work 10) we were tired we sat down beside the stream A because of B if C as D and 11)he to find a job but he had no luck A tried hard B hardly tried C tried hardly D try hardly 12)solar energy doesn't cause A pollution B polluted C pollute D pollutant