牙周脓肿的发病因素不包括()。 A.牙周袋壁的化脓性炎症向深部发展,脓液不能排入袋内

题型:单项选择题

问题:

牙周脓肿的发病因素不包括()。

A.牙周袋壁的化脓性炎症向深部发展,脓液不能排入袋内

B.牙周袋迂迥曲折、涉及多个牙面,脓性渗出物不能顺利引流

C.洁治,刮治动作粗暴,将牙石碎片推入牙周袋深部

D.异物刺入牙间 * * ,引起化脓性炎症

E.根管治疗时髓室底或根管壁侧穿,引起化脓性炎症

考点:口腔执业医师口腔执业医师分类真题7
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Beijing: The United States and North Korea had their first (1) in four months here this afternoon as part of the (2) negotiations on how to end North Korea’s nuclear program, but diplomats played clown prospects for (3) . The talks are at the Diaoyutai (4) , a sprawling, garden-filled (5) in western Beijing, with negotiators gathering around a giant hexagonal table built to (6) the six delegations. The Chinese placed the Americans and the North Koreans in (7) , which may have facilitated the (8) between Mr. Kelly and Mr. Kim, which took place (9) in the afternoon session. The two spoke for 30 minutes, two Asian diplomats (10) . The early indications of how the talks are going (11) . A South Korean who took part in the meetings described North Korea as "willing to (12) through dialogue." Chinese officials also put a (13) on the talks. "I heard talks this morning and this afternoon were very successful," the Foreign Minister, Li Zhaoxing, told delegates (14) . But Japanese and Russian participants were (15) . The Russian (16) , Aleksandr Losyukov, described the negotiations as (17) . "So far, the countries have put forward a number of (18) , which are (19) the development of these talks," he told Russian reporters in Beijing. "I would not say that I am feeling (20) ."

题型:单项选择题

如果计算机字长是8位,那么用补码表示最大有符号定点整数的范围是()。

A.-128~+128

B.-127~+128

C.-127~+127

D.-128~+127

题型:单项选择题

施工合同示范文本通用条款规定,在施工过程中,因设计变更导致承包人的施工成本增加及工期延误,应当按照( )处理。

A.增加的费用由承包人承担,延误的工期不予顺延
B.增加的费用由承包人承担,延误的工期相应顺延
C.增加的费用由发包人补偿,延误的工期相应顺延
D.增加的费用由发包人补偿,延误的工期不予顺延

题型:单项选择题

张先生总是在一定区域内寻找反应点治疗疾病。以下麦粒肿的反应点,不常见于:

A.耳尖

B.大椎

C.肩部

D.脾、胃俞或肝、胆俞处或其附近

E.八髎穴或其附近

题型:单项选择题

中国要解决能源问题,在于对()的开发。

A、核能

B、水能

C、新能源

D、石油

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