2. 外语
  3. Your muscles are working to move a weight when you are ______. Muscle cells contain a high-energy phosphate compound called __

Your muscles are working to move a weight when you are ______. Muscle cells contain a high-energy phosphate compound called __

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问题  Your muscles are working to move a weight when you are ______.
  Muscle cells contain a high-energy phosphate compound called ______.
选项 A、creatine kinase
B、phosphate group
C、creatine phosphate
D、enzyme
答案B
解析 根据题干信息词high-energy phosphate定位到第三个小标题下的第一段第二句muscle cells contain a high-energy phosphate compound called creatine phosphate，由此可知为了迅速重新补足ATP水平，肌肉细胞中含有一种高能量磷酸化合物，叫做磷酸肌酸(creatine phosphate)，故本题选B。
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大学英语四级

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