[填空题]
{{B}}Part A{{/B}}
{{I}} For questions 1-5, you will hear a passage. Listen and answer the questions with the information you’ ve heard. Write {{B}}not more than 3 words{{/B}} in each blank. You will hear the recording twice. You now have 25 seconds to read the questions below.{{/I}}

Number of languages in the world (approx) is ______ .

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