学龄儿童膳食中推荐的脂肪供能比是______。
A．20%～25% B．25%～30%C．30%～35% D．35%～40%
参考答案：C
How pleased the emperor was _____ what the cheat said!
A．hearing
B．heard
C．hear
D．to hear
肝静脉阻塞（Budd-Chiari）综合征CT表现（）
A.肝弥漫性肿大
B.可有肝区域性密度不均
C.肝段下腔静脉阻塞
D.常见肝静脉扩张
E.增强后可见脐静脉增粗
