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Based on the given words and their International Phonetic Alphabet (IPA) notation, here are the answers: 1. The word that has the underlined part different from the others is A. language and B. cultural. Both have the main stress on the first syllable. However, if we consider the options more carefully, the underlined part is actually referring to the prefix of each word. Therefore, the word that has the underlined part (the prefix) different from the others is B. cultural. The prefix in cultural is 'cult-' whereas language does not have any recognizable prefix. However, we should look at each option more carefully. language: ˈlæŋgwɪʤ (no recognizable prefix) cultural: ˈkəlʧərəl ('cult-' is not recognizable in language and the recognizable prefix of language is 'lan-' or 'lang-', however cultural does not have 'lan-' or 'lang-' and the recognizable prefix of language is 'cult-' is in cultural) The recognizable prefix of language is not similar with the recognizable prefix of cultural. We can apply the same logic to each option. A. language B. cultural The recognizable prefix of language is 'lan-' or 'lang-' and it is different from cultural whose recognizable prefix is 'cult-'. 2. The word that has the underlined part different from the others is A. cyber. The main stress of cyber is on the first syllable, but that of the other three options (B. interact, C. landline, and D. nonverbal) have their main stress on different syllables. However, we should look at each option more carefully. cyber: ˈsaɪbər (The recognizable prefix of cyber is 'cyb-') interact: ɪnərˈækt (The recognizable prefix of interact is 'inter-') landline: landline* (The recognizable prefix of landline is 'land-') nonverbal: nɑnˈvərbəl (The recognizable prefix of nonverbal is 'non-') The recognizable prefix of cyber is 'cyb-' and it is different from interact whose recognizable prefix is 'inter-'. It is also different from landline whose recognizable prefix is 'land-' and it is also different from nonverbal whose recognizable prefix is 'non-'. However, the recognizable prefix of cyber is not similar with the recognizable prefix of the other three options. However, we should also compare the recognizable prefix of interact with the recognizable prefix of landline and the recognizable prefix of nonverbal. 3. The word that has the underlined part different from the others is C. funny. The main stress of funny is on the first syllable, but that of the other three options (A. conference, B. typhoon, C. social, and D. body) have their main stress on different syllables, however, B. typhoon and C. funny are not on the list, the two options are B. social and D. body. However, we should look at each option more carefully. A. conference B. typhoon C. social D. body funny: ˈfəni (The recognizable prefix of funny is not available) conference: ˈkɑnfərəns (The recognizable prefix of conference is 'con-') social: ˈsoʊʃəl (The recognizable prefix of social is 'soci-' or 'soc-') body: ˈbɑdi (The recognizable prefix of body is 'bod-' or 'bo-') However, there are other two options, the word that has the underlined part different from the others is C. funny. The recognizable prefix of funny is not similar with the recognizable prefix of the other three options. However, we should also compare the recognizable prefix of conference with the recognizable prefix of social and the recognizable prefix of body. However, the two options A. conference and B. typhoon are not similar with the two options C. social and D. body. A. conference B. typhoon conference: ˈkɑnfərəns (The recognizable prefix of conference is 'con-') typhoon: taɪˈfun (The recognizable prefix of typhoon is 'typh-' or 'ty-') However, we can see that the two options are B. typhoon and C. funny. B. typhoon C. funny funny: ˈfəni (The recognizable prefix of funny is not available) typhoon: taɪˈfun (The recognizable prefix of typhoon is 'typh-' or 'ty-') The recognizable prefix of funny is not similar with the recognizable prefix of typhoon whose recognizable prefix is 'typh-' or 'ty-'.