填空题
Part A
Directions:
For Questions 1-5, you will hear a recording of part of a telephone interview~ While you listen, complete the sentences and answer the questions. Use not more than 3 words for each answer. You will hear the recording twice. You now have 25 seconds to read the sentences and the questions below.
The function of "the standard weight" is to check______.
【参考答案】
the scales
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