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1. The word which is pronounced differently in the part underlined: The words "addict", "scanner", "access" have the stress on the first syllable (ˈædɪkt, ˈskænər, ˈæksɛs) while the word "attend" has the stress on the second syllable (əˈtɛnd). So the answer is B. attend 2. The word which is pronounced differently in the part underlined: The words "exact", "exotic", "exhausted" have the stress on the second syllable (ɪgˈzækt, ɪgˈzɑtɪk, ɪgˈzɔstɪd) while the word "experiment" has the stress on the third syllable (ɪkˈspɛrəmənt). So the answer is D. experiment 3. The word which is pronounced differently in the part underlined: The words "digital", "luggage", "ginger" have the stress on the first syllable (ˈdɪʤɪtəl, ˈləgɪʤ, ˈʤɪnʤər) while the word "degree" has the stress on the second syllable (dɪˈgri). So the answer is D. degree 4. Mark the letter A, B, C or D that differs from the other three in the position of primary stress The words "invent", "breakout", "feedback" have the stress on the first syllable or in the middle (ɪnˈvɛnt, ˈbreɪkaʊt, ˈfidbæk) while the word "contact" has the stress on the first syllable but similar to the others so it does not differ (ˈkɑntækt). However, 3 words "invent", "breakout", "feedback" have a similar stress pattern and only "contact" has a slightly similar stress pattern but "contact" is more similar to the other 3 than "invent". However "invent" is more dissimilar than the other three. The answer is A. invent 5. Mark the letter A, B, C or D that differs from the other three in the position of primary stress The words "biometric", "technology", "recognition" have the stress on the third or second syllable (baɪəˈmɛtrək, tɛkˈnɑləʤi, rɛkɪgˈnɪʃən) while the word "disadvantage" has the stress on the third syllable but similar to the others so it does not differ (dɪsədˈvænɪʤ). However, 3 words "technology", "recognition", "disadvantage" have a stress on the 2nd or 3rd syllable and only "biometric" has the stress on the 3rd syllable but more similar to "disadvantage" than "technology" or "recognition" but still more similar to the other 3 than "biometric". However, "biometric" is more dissimilar than the other three. The answer is A. biometric Here are the correct answers: 6. A. applications 7. B. eye-tracking 8. C. voice recognition 9. B. attendance 10. A. scanners 11. A. would 12. A. the moment 13. B. here Sentence 14: She said that social networks are a free space to keep in touch with her family and friends. Corrected underlined parts: A. No change (social) B. No change (are) C. Change to: keep in touch with -> Correct, no change (in touch) D. Change 'their' to 'her' Sentence 15: Mike says that he was working with an amazing robot that day. Corrected underlined parts: A. Change 'says' to 'said' B. No change (with) C. No change (amazing) D. Change 'that day' to 'on that day'