写出与以下安全提示有关的知识． （1）请驾驶员系好安全带：______； （2）

爆炸容器的材料和尺寸对爆炸极限有影响，目前一般采用直径为( )mm的爆炸管或球形爆炸容器。

A．50
B．80
C．120
D．150

不属于地高辛适应证的是

A．充血性心衰

B．室上性心动过速

C．室性心动过速

D．房颤

E．房扑

根据短文内容和首字母的提示，把所缺单词填写在短文后面的横线上。You have probably never heard of Amy Winterbourne, but she is a most

u70   woman. She lives in a house that she built herself out o 71 trash. Well, the stuff used to be called trash, but now it’s called“recycled”material. The windows and doors came from old buildings around the town that were being pulled down. The walls are made from old glass bottles that are g 72   together. The roof is made from d 73    tiles. And the fence is built out of used soda cans. Amy recently won an a74   from the Help Save Our Planet Society. The president Jackson Smith said, “Amy is an i 75      to us all.”

小题1: u                   小题2: o              小题3: g          

小题4:d                    小题5: a              小题6: i               

患者，男性，64岁，鼻咽癌，放射治疗。观察发现，患者照射野局部皮肤充血、水肿，有水疱形成。判断该患者的皮肤反应是

A．Ⅰ～Ⅱ度
B．Ⅱ度
C．Ⅱ～Ⅲ度
D．急性湿疹
E．慢性皮肤反应

轮胎发生偏磨和行驶（）可能由于主销、外倾角、前束、轮胎外倾角等存在问题。