43. What causes osteoporosis?
(A) Carrying heavy loads
(B) Poor standing posture
(C) Too many broken bones
(D) Insufficient bone renewal

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統計： A(5), B(4), C(7), D(37), E(0) #2705492

詳解 (共 1 筆)

#5427106
osteoporosis ：骨質疏鬆症 ...
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