雷击花纹
参考答案：
雷击纹是雷击尸体比较特殊的征象，呈红色或蔷薇色树枝状，常见于胸、腹、股及上肢。雷击死的内部征象与电击死相似。
Maria would not go to the party, as she had no fine dress, no jewelry _____.
A．to show
B．shown
C．showing off
D．to show off
刀具在什么条件下工作？
