研究表明通过针刺伤引起乙肝感染的危险性为()。
A.10%~15%
B.20%~25%
C.30%~35%
D.40%~45%
E.50%~55%
参考答案:B
香槟酒是一种成熟而富有活力的()酒。
A、低密度
B、果香型
C、果密度
Alaska boasts of several climates due to its lofty mountains, warm ocean currents and frozen seA.
A.towering
B.countless
C.rugged
D.ageless