问题
单项选择题 案例分析题
某单位职工口腔健康调查资料显示，牙周疾病患病状况不容乐观，厂医院口腔科计划开展如下保健措施。
对于有轻度牙龈出血的职工，提倡（）
A.药物漱口
B.使用牙签
C.使用牙线
D.有效刷牙
E.牙龈按摩
答案
参考答案：D
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某单位职工口腔健康调查资料显示，牙周疾病患病状况不容乐观，厂医院口腔科计划开展如下保健措施。
对于有轻度牙龈出血的职工，提倡（）
A.药物漱口
B.使用牙签
C.使用牙线
D.有效刷牙
E.牙龈按摩
参考答案：D
| Recently, I flew to Las Vegas to attend a meeting. As we were about to arrive, the pilot announced with apology that there would be a slight (16) before setting down. High desert winds had (17) the airport to close all but one runway. He said that we would be (18) the city for a few minutes waiting to (19) . We were also told to remain in our seats meanwhile with our seat belts fastened (20) there might be a few bumps(颠簸). Well, that few minutes turned into about four-five minutes, including a ride that would make a roller coaster(过山车) (21) by comparison. The movement was so fierce that several passengers felt (22) and had to use airsickness bags. As you might guess, that’ s not a good thing to have happen in a(n) (23) space because it only (24) to increase the discomfort of the situation. About twenty minutes into the adventure, the entire airplane became very (25) There was now a sense of anxiety and fear that could be (26) noticed. Every passenger simply held on for dear life …except one. A (27) was having a good time！ With each bump of the (28) , he would let out a giggle (咯咯地笑)of delight. As I observed this, I (29) that he didn’t know he was supposed to be afraid and worried about his (30) . He neither thought about the past nor about the future. Those are what we gown--ups have learned from (31) . He was (32) the ride because he had not yet been taught to fear it. Having understood this, I took a deep breath and (33) back into my seat, pretending I was (34) on a roller coaster. I smiled for the rest of the flight. I even (35) to giggle once or twice, much to the chagrin(随恼) of the man sitting next to me holding the airsickness bag. |
The underlined word "rainbow" in the sixth paragraph refers to______.
A．the rainbow in the sky
B．the stripes on the pavement
C．something imaginative and fun
D．important lessons learned in childhood