下颌第三磨牙拔除,在脱位运动时应先向() A.颊侧用力 B.舌侧用力 C.近中用力

题型:单项选择题

问题:

下颌第三磨牙拔除,在脱位运动时应先向()

A.颊侧用力

B.舌侧用力

C.近中用力

D.远中用力

E.垂直用力

考点:口腔颌面外科(医学高级)牙及牙槽外科牙及牙槽外科题库
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各种不同的账务处理程序下,日记账和明细账的登记依据和方法是相同的。( )

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用下图表示的一些物质或概念间的从属关系中不正确的是

[ ]

    X     Y     Z

A.苯的同系物  芳香烃  芳香族化合物

B. 胶体    分散系   混合物

C.电解质   有机化合物  化合物

D.碱性氧化物 金属氧化物  氧化物

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自动化仪表工程施工的原则是( )。

A.先地下后地上

B.先安装后土建

C.先中间后两端

D.先配管布线后安装设备

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患者,男,55岁,因患牙周病拔除余留牙,三月后做全口义齿修复。二年后,患者常因说话和吃饭脱落,来院修理,采取的修理方法是()

A.加长基托边缘

B.全口义齿垫底

C.缓冲颊、舌、唇系带区基托边缘

D.调整后牙区人工牙的排列

E.缓冲硬区

题型:单项选择题

Drug use is rising dramatically among the nation’ s youth after a decade of decline. From 1993 to 1994, marijuana use among young people (1) from 12 to 17 jumped 50 percent. One in five high school seniors (2) marijuana daily. Monitoring the Future, which (3) student drug use annually, reports that negative attitudes about drugs have declined for the fourth year in a row. (4) young people see great risk in using drugs. Mood-altering pharmaceutical drugs are (5) new popularity among young people. Ritalin, (6) as a diet pill in the 1970s and now used to (7) hyperactive children, has become a (8) drug on college campuses. A central nervous system (9) , Ritalin can cause strokes, hypertension, and seizures. Rohypnol, produced in Europe as a (10) tranquilizer, lowers inhibitions and suppresses short-term memory, which has led to some women being raped by men they are going out with. (11) taken with alcohol, its effects are greatly (12) . Rock singer Kurt Cobain collapsed from an (13) of Rohypnol and champagne a month before he committed (14) in 1994. In Florida and Texas, Rohypnol has become widely abused among teens, who see the drug as a less expensive (15) for marijuana and LSD. Alcohol and tobacco use is increasing among teenagers, (16) younger adolescents. Each year, more than one million teens become regular smokers, (17) they cannot legally purchase tobacco. By 12th grade, one in three students smokes. In 1995, one in five 14-year-olds reported smoking regularly, a 33 percent jump (18) 1991. Drinking among 14-year-olds climbed 50 percent from 1992 to 1994,and all teens reported substantial increases in (19) drinking. In 1995, one in five 10th graders reported having been drunk in the past 30 days. Two-thirds of high school seniors say they know a (20) with a drinking problem.

18()

A.in

B.to

C.since

D.for

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