一般来说，低强度的运动，利用脂肪作为能源的比例较高。
参考答案：对
More than one doctor _____ involved in the rescue that took place after the earthquake.[ ]
A. were
B. was
C. are
D. is
鸟类是人类益友，是国家巨大的自然财富，你能采取哪些措施，使鸟类得到有益的保护？
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