2. 外语
  3. Natural causes nerves to die off and muscles to weaken, but regular exercise muscle enlarges fibers and can________ the decline

Natural causes nerves to die off and muscles to weaken, but regular exercise muscle enlarges fibers and can________ the decline

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问题 Natural causes nerves to die off and muscles to weaken, but regular exercise muscle enlarges fibers and can________ the decline by increasing the strengthen muscle you have left.
A. speed up
B. stave off
C. forestall
D. facilitate
E. assist
F. exploit
选项
答案B，C
解析 -方程等号：but但是，反义重复。
-强词和对应：but前面说自然原因导致神经死亡并导致肌肉衰弱，but后面说规律性的锻炼会扩大肌肉纤维并且可以空格这个衰退。根据but前后反义重复，因此前面的“衰退”对应后面应该是“阻止衰退”，所以空格应填入一个负向词。本题有两组同义词，第一组是speed up与facilitate加速，第二组是stave off与forestall阻止。其余选项，assist帮助，exploit利用，答案选BC。
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