9 The __________ of calcium may cause osteoporosis, and the patients may get bone fractures easily.
(A) frequency
(B) proficiency
(C) deficiency
(D) adequacy

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統計: A(100), B(74), C(485), D(82), E(0) #320877

詳解 (共 3 筆)

#306235
frequency 頻繁, 屢次[U] ...
(共 73 字,隱藏中)
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15
0
#367594
鈣的缺乏會導致骨質疏鬆而且病人容易骨折
11
6
#1278873
sufficient -> 充足的
5
0