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다음 빈칸에 들어갈 말로 가장 적절한 것을 고르시오. Acetaminophen, the active ingredient in Tylenol, is one of the world's most widely used pain relievers. Scientists acknowledge that how acetaminophen works in the body is not yet completely understood, prompting ongoing research worldwide. The most accepted theory suggests it acts on the central nervous system. When inflammation occurs or tissue is damaged, the body..

21번. 다음 빈칸에 들어갈 말로 가장 적절한 것을 고르시오.If you base your sense of worth on how well you climb, you're likely to be affected by outside factors. These outside influences can be unpredictable and may not reflect your actual ability. One common example is comparing yourself with others. You might feel like you did well on a climb just because your partner was having a bad day and found it really hard. Si..