单项选择题

下图阑尾的最佳诊断为
A、干酪样坏死
B、凝固性坏死
C、纤维素样坏死
D、出血
E、坏疽

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单项选择题

The word “hard-packed”means “坚硬的”.

A．对
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单项选择题

In which situatio can you show up with empty hands? ( )
A、Going to a dinner party.
B、Going to someone's house.
C、Going to a bar.
D、Going to a warm house party