The correct option is
C. nation.
Step-by-Step Explanation:
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Understanding the Underlined Sound: The word "wash" has the consonant sound represented by the letter "w" at the beginning, followed by the "sh" sound at the end. The "sh" sound is a voiceless postalveolar fricative, which is produced by placing the tongue close to the roof of the mouth and allowing air to flow out without vibrating the vocal cords.
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Analyzing the Options:
- A. treasure: The consonant sound at the beginning of "treasure" is "tr," which is a combination of the sounds /t/ and /r/. The ending sound is "sure," which has the "zh" sound (voiced postalveolar fricative). This does not match the "sh" sound in "wash."
- B. occasion: The initial sound in "occasion" is "o," which is a vowel sound, and the consonant sound "c" is pronounced as /k/ in this context. The ending sound is "sion," which is pronounced as /ʒən/. Again, this does not match the "sh" sound in "wash."
- C. nation: The initial sound is "n," which is a consonant sound, and the ending "tion" is pronounced as /ʃən/. The "tion" ending produces the "sh" sound, which matches the "sh" sound in "wash." Therefore, this option has the same consonant sound at the end.
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D. equation: The initial sound is "e," which is a vowel sound, and the ending "tion" is pronounced as /ʃən/. While "equation" does have the "sh" sound at the end, it does not match the initial consonant sound of "wash."
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Why Other Options Are Incorrect:
- A. treasure: The combination of sounds does not include the "sh" sound at the beginning or end, making it a poor match.
- B. occasion: The vowel sound at the beginning and the different ending sound make it incompatible with "wash."
- D. equation: Although it shares the "sh" sound at the end, the initial sound is a vowel, which does not align with the consonant sound in "wash."
Summary of Key Points:
- The consonant sound in "wash" is represented by the "sh" sound at the end.
- The correct answer, "nation," shares the same "sh" sound at the end.
- The other options either start with a vowel sound or have different consonant sounds that do not match.
- Understanding the phonetic sounds of words is crucial for identifying similar sounds in English.
Revision Summary:
- Focus on the consonant sounds in words to identify similarities.
- The "sh" sound in "wash" is crucial for matching.
- "Nation" is the only option that shares the "sh" sound at the end.
- Practice with other words to strengthen your understanding of consonant sounds.