肝穿刺有立竿见影诊断和治疗价值的是（）
A．肝硬化腹水
B．急性胃穿孔致腹膜炎
C．胰腺囊肿
D．癌症晚期恶病质
E．腹白线疝
参考答案：D
C63A型专用敞车主要有哪些特点？
When a fire ______ at the National Exhibition in London, at least ten priceless paintings were completely destroyed.
A．broke off
B．broke out
C．broke down
D．broke up
