美国一女患者，患有严重的脑综合征、慢性压疮（褥疮）、心脏病、糖尿病等，对环境没有感觉

The private automobile has long played an important role in the US. In fact, it has become 小题1:___necessary and important part of the American life. In 1986, sixty-nine percent of American families owned 小题2:__least one car, and thirty-eight percent had 小题3:___than one. With the convenience of rapid transportation, workers don’t have to live near their workplace. This has encouraged the growth of the cities, 小题4:___it has also led to traffic problems.

For farm families the automobile is very helpful. It has made 小题5:___ possible for them to travel to town very often for business and for pleasure.

Family life has been affected in 小题6:___ways. The car helps to keep families together. However, when teenage children use the car, their parents can’t keep an eye on them. There is a great danger 小题7:____the driver has been drinking alcohol or taking drugs or breaking 小题8:_____ traffic laws.

Cars mean very much to Americans.

下列不属于武陵源景区的是[ ]

A．张家界

B．天子山

C．索溪峪

D．雁荡山

3，4，6，12，36，( )

A．36
B．72
C．108
D．216

洁净区环境消毒只用臭氧行吗？还需要再用一种消毒剂？（FL1-43）

气硬性胶凝材料一般只适用于（）环境中。

A.干燥

B.干湿交替

C.潮湿

D.水中