题目内容

"Young people ought not to be idle. It is very bad for them," said Margaret Thatcher many years ago. She was right: there are few worse things 21 society can do to its young 22 to leave them in uncertainty. Those who start their 23 on the unemployment pension are more likely to have lower wages and more spells of joblessness 24 in life, 25 they lose out on the chance to 26 skills and serf-confidence in their formative years. 27 more young people are idle than ever. 28 how you measure them, the number of young people without a job is nearly as large as the population of America. Two factors 29 a big part. First, the long slowdown in the West has reduced 30 for labour, and it is easier to 31 hiring young people than it is to fire older workers. Second, in emerging economies population growth is fastest in countries withdysfunctional(失调的) labour markets, 32 India and Egypt.The most obvious way to 33 this problem is to reignite growth. That is easier said than done in a world plagued by debt, and is anyway only a 34 answer. The countries where the problem is worst suffered from high youth unemployment 35 their economies were growing. 36 the recession companies have continued to complain that they cannot find young people with the right skills. This 37 the importance of two other 38 : reforming labour markets and improving education. These are 39 prescriptions, but ones that need to be 40 with both a new vigour and a new twist.

A. what
B. that
C. when
D. how

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男性,38岁。右上后牙自发性跳痛3天。显间歇性发作,坐立不安,于15:00急诊就医。半年前,右上后牙进食冷热饮食时有酸痛,有时有慢性钝痛。近1周进食冷热饮食时疼痛明显增加,且疼痛持续时间较长。3天前出现自发性剧烈跳痛,呈间歇性发作并放射到颞部。夜间跳痛更甚。患者无法确定患牙部位。口腔检查:视诊右侧后牙未见明显龋洞,右上第二双尖牙叩诊疼痛(+)。牙周探诊(-)。 若检查发现全口其他牙多数有牙周袋,松动Ⅰ°~Ⅱ°,X线片示牙槽骨嵴普遍吸收达根长的1/3,初步诊断是

A. 青少年牙周炎
B. 快速进展性牙周炎
C. 成人牙周炎
D. 牙周牙髓联合症
E. 顽固性牙周炎

男性,38岁。右上后牙自发性跳痛3天。显间歇性发作,坐立不安,于15:00急诊就医。半年前,右上后牙进食冷热饮食时有酸痛,有时有慢性钝痛。近1周进食冷热饮食时疼痛明显增加,且疼痛持续时间较长。3天前出现自发性剧烈跳痛,呈间歇性发作并放射到颞部。夜间跳痛更甚。患者无法确定患牙部位。口腔检查:视诊右侧后牙未见明显龋洞,右上第二双尖牙叩诊疼痛(+)。牙周探诊(-)。 若患牙经安抚治疗后永久充填,充填后数天出现咀嚼时疼痛,与温度刺激无关。充填物上可见一个亮点。出现上述情况的可能原因是

A. 充填物折断、脱落
B. 牙周性疼痛
C. 牙髓性疼痛
D. 牙折裂
E. 继发龋

男性,38岁。右上后牙自发性跳痛3天。显间歇性发作,坐立不安,于15:00急诊就医。半年前,右上后牙进食冷热饮食时有酸痛,有时有慢性钝痛。近1周进食冷热饮食时疼痛明显增加,且疼痛持续时间较长。3天前出现自发性剧烈跳痛,呈间歇性发作并放射到颞部。夜间跳痛更甚。患者无法确定患牙部位。口腔检查:视诊右侧后牙未见明显龋洞,右上第二双尖牙叩诊疼痛(+)。牙周探诊(-)。 下面哪种是龋病窝洞永久充填材料

A. 玻璃离子黏固剂
B. 聚羧酸锌黏固剂
C. 磷酸锌黏固剂
D. 氧化锌丁香油酚黏固剂
E. 氢氧化钙制剂

男性,38岁。右上后牙自发性跳痛3天。显间歇性发作,坐立不安,于15:00急诊就医。半年前,右上后牙进食冷热饮食时有酸痛,有时有慢性钝痛。近1周进食冷热饮食时疼痛明显增加,且疼痛持续时间较长。3天前出现自发性剧烈跳痛,呈间歇性发作并放射到颞部。夜间跳痛更甚。患者无法确定患牙部位。口腔检查:视诊右侧后牙未见明显龋洞,右上第二双尖牙叩诊疼痛(+)。牙周探诊(-)。 根据诊断和病因分析下列治疗计划中哪项不妥

A. 控制菌斑,清除牙石
B. 牙周袋及根面药物处理
C. 基础治疗后1个月有牙周袋时行牙周手术治疗
D. 牙周系统治疗后长期服用抗生素以预防复发
E. 定期进行维护期的牙周支持疗法

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