“向心性肥胖”是因为
A．糖皮质激素过少B．糖皮质激素过多C．盐皮质激素过多D．盐皮质激素过少E．性激素分泌过多
参考答案：B
Wolves are very ______: they can live in forests, on open plains, or in the snows of the Arctic.
A．adaptable
B．adoptable
C．available
D．accessible
消费者首选的前三位的VCD品牌约占( )。
A．17.0%
B．34.8%
C．47.8%
D．50%
