To find the word whose underlined part differs from the other three in pronunciation, we will analyze the given words and their corresponding IPA notations.
01. A. laughed: læft
B. lived: lɪvd
C. played: pleɪd
D. opened: ˈoʊpənd
The words "laughed," "lived," and "played" end with the "d" sound (as in /d/), while "opened" ends with the "nd" sound (as in /nd/), but in a unstressed syllable. However, "lived" has /ɪv/ while the others have different vowel sounds. However, "lived," "laughed," and "played" all end with /d/ and have different vowel sounds and "opened" is the one that stands out with its vowel sound and /nd/. So "opened" is the answer.
02. A. yards: jɑrdz
B. rulers: ˈrulərz
C. windows: ˈwɪndoʊz
D. shirts: ʃərts
The words "yards," "rulers," and "windows" all have the /z/ sound (the sound of the letter "s" in "bus"), while "shirts" has the /s/ sound (as in the regular "s" sound, but it's actually the "ʃə" that gives a /s/ sound, even though "ʃ" is a "sh" sound, in shirts it's /s/). However, "yards," "rulers," and "windows" all end with a /z/ sound, while "shirts" is the one that stands out with its "ʃə" combination, which has a /s/ sound, however that "ʃ" can make "shirts" stand out. However, it's the vowel sound and the "ʃ" that make "shirts" the answer.
03. A. health: hɛlθ
B. heavy: ˈhɛvi
C. appear: əˈpɪr
D. ready: ˈrɛdi
The words "health," "heavy," and "ready" all have the same vowel sound /ɛ/, while "appear" has a schwa sound (ə).
04. A. without: wɪˈθaʊt
B. toothbrush: ˈtuθbrəʃ
C. earthquake: ˈərθkweɪk
D. bathroom: ˈbæθrum
The words "without," "toothbrush," and "earthquake" all have the /θ/ sound (the sound of the letters "th" in "this"), while "bathroom" has the same /θ/ sound but "bathroom" stands out with its vowel sound. However, it's actually the "bathroom" vowel sound that makes it the answer.
05. A. nurse: nərs
B. bury: ˈbɛri
C. hurt: hərt
D. curly: ˈkərli
The words "nurse," "hurt," and "curly" all have the same vowel sound (ə), while "bury" has the /ɛ/ sound.
06. C. rang
07. C. goes
08. after