编制货运记录要如实记载损坏状态及有关方面的当时现状，不得在记录中作事故责任的结论。
参考答案：错
超声波能量在下列哪个组织中衰减最快？（）
A、水
B、血液
C、骨髓
D、肌肉
E、除肌肉外的软组织
Why does the author mention genetic engineering and computer science
A．To compare them with the new materials.
B．To show the significance of the new materials on the future world.
C．To compare the new materials to them.
D．To explain his viewpoint.
