下列哪种物质可转变为脂肪？（）
A.葡萄糖
B.胆固醇
C.血红素
D.维生素A
参考答案：A
-The fellow has been suspected ________ an email fraud.
-Nowadays cybercrime is developing ________ an amazing rate.[ ]
A．from; at
B．about; in
C．of; with
D．of; at
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