某企业改制成为股份有限公司，在资产中国有经济的股份占60%，集体经济股份占15%

某社区口腔健康调查资料显示，牙周疾病患病状况不容乐观，牙防所计划开展如下口腔保健措施

对于有轻度牙龈出血的人群，提倡（）

A.牙周洁治

B.使用牙签

C.深部刮治

D.有效刷牙

E.牙龈按摩

（）不属于JIT采购基本思想。

A.只在需要的时候按需要的量生产所需要的产品

B.彻底杜绝浪费

C.追求零库存生产

D.按客户的具体需求订制产品

短文填词

Last week, we talked about different kinds of short stories.

Many   1   you said you liked the American

writer Earnest Hemingway, who is w   2  known

for short stories.I hope you all f    3   my advice

and finished reading his story.We're going to study it together in

today's lesson.Now since you  4   supposed to

have read this story, let's have some  5  (讨论).

Please look at the three  6  on the blackboard.

First, when and where does the story  7   place?

Second, what kind of person does he show

   8  (自己) to be?Third, what is the writer's

main purpose of  9  (写) the story?I'd like

you to work in pairs and present your answers in ten

m    10    . I hope you can perform well enough.

其治疗应选用

A．磨除法

B．再矿化法

C．药物治疗

D．垫底后充填

E．安抚后充填

带风调车作业时，必须执行什么程序？