2. 外语
  3. Classify the following ideas as relating to A the Limitations Theory B the Central Governor Theory C both the Limitations Theory

Classify the following ideas as relating to A the Limitations Theory B the Central Governor Theory C both the Limitations Theory

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问题 Classify the following ideas as relating to
A the Limitations Theory
B the Central Governor Theory
C both the Limitations Theory and the Central Governor Theory
Write the correct letter, A, B or C, in boxes 34-40 on your answer sheet.
NB: You may use any letter more than once.
Lactic acid is produced in muscles during exercise.
选项
答案C
解析 Paragraph C: Lactic acid is a by-product of exercise, and its accumulation is often cited as a cause of fatigue.(This is given as a fact, and it underlies both theories.)
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