由一种致伤因子同时引发多部位或脏器的损伤称为（）。 A．多发_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题单项选择题

由一种致伤因子同时引发多部位或脏器的损伤称为（）。

A．多发性损伤

B．复合性损伤

C．生物性损伤

D．化学性损伤

E．物理性损伤

答案

参考答案：A

填空题

当载荷超过某一定范围时，在去除载荷后，变形只能部分恢复而残留下一部分变形不能消失，材料的这种性质称为（）；不能复原而残留下来的变形称（）。

完形填空

In China, traffic keeps to the right. Cars, trucks, buses      bikes must all keep to the right side of the    . In most other countries, traffic      to the left.
How can you      the roads safer?
     you cross the road, stop and look each side.    left, then right, and then look left again. Don’t cross the road if you are not sure whether the road is clear or not. Don’t      across the road.    is dangerous.
If you      small children, old people, or blind people walking across the road, help     cross the road in safety. Helping others is a kind of virtue (美德).