Final answer:
The sentence 'He was as strong as an ox' is an example of a simile, where two unlike things are compared using 'like' or 'as'.
Step-by-step explanation:
The sentence 'He was as strong as an ox' is an example of a simile. A simile is a figure of speech that compares two unlike things using 'like' or 'as'. In this case, the comparison is between 'he' and 'an ox', suggesting that he is as strong as an ox.
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