Exercise 3. Choose the word which has a different stress pattern from the others. (Further practice) 1. A. Travel B. flying C. friendly D. pollute 2. A. energy B. exchange C. during D. transpor...

Let's analyze the pronunciation of each word and identify the one with a different stress pattern. 1. A. Travel: ˈtrævəl (main stress on the first syllable) B. flying: flaɪɪŋ (no main stress, as it's a verb ending in -ing) C. friendly: ˈfrɛndli (main stress on the first syllable) D. pollute: pəˈlut (main stress on the second syllable) The answer is B. flying, as it's the only one without a main stress on a specific syllable. 2. A. energy: ˈɛnərʤi (main stress on the first syllable) B. exchange: ɪksˈʧeɪnʤ (main stress on the second syllable) C. during: ˈdʊrɪŋ (main stress on the first syllable) D. transport: ˈtrænspɔrt (main stress on the first syllable) The answer is B. exchange, as it's the only one with the main stress on the second syllable. 3. A. before: bɪˈfɔr (main stress on the second syllable) B. traffic: ˈtræfɪk (main stress on the first syllable) C. ocean: ˈoʊʃən (main stress on the first syllable) D. river: ˈrɪvər (main stress on the first syllable) The answer is A. before, as it's the only one with the main stress on the second syllable. 4. A. material: məˈtɪriəl (main stress on the second syllable) B. mysterious: mɪˈstɪriəs (main stress on the second syllable) C. passenger: ˈpæsənʤər (main stress on the first syllable) D. provision: prəˈvɪʒən (main stress on the second syllable) The answer is C. passenger, as it's the only one with the main stress on the first syllable. 5. A. renewable: riˈnuəbəl (main stress on the second syllable) B. encounter: ɪnˈkaʊnər (main stress on the second syllable) C. production: pərˈdəkʃən (main stress on the second syllable) D. automation: ɔtəˈmeɪʃən (main stress on the second syllable) No answer, as all words have the main stress on the second syllable.