疲劳骨折易发生在()骨折延迟愈合易发生在()A．胫骨干中下1/3 B．胫骨干中上1/

8⁸³+6被49除所得的余数是（　　）

A．0

B．14

C．-14

D．35

— You are kind to give me a ride to the post office.

— ________.

A．It doesn’t matter

B．Don’t mention it

C．It’s my pleasure

D．Never mind

患者男，56岁，农民，因“间断发热１个月，腰痛并活动受限1周”来诊。上午一般状况尚好，下午症状明显，畏寒，偶伴寒战，30min后体温达39℃左右，有时高达40℃，热退时出现原因不明的大汗淋漓。在当地以“上呼吸道感染”口服阿莫西林及中药、退热等对症治疗，自述症状较前稍有好转，当地住院4~5d后病情“缓解”出院。但1周后患者再次发热，同时出现全身关节游走性痛，反复发作1个月，症状进行性加重。1周腰痛并活动受限。自幼生长在内蒙古农村，无不良嗜好，自家有10余只羊。查体：T38.5℃；被动体位，轻度贫血貌，消瘦；两侧腹股沟可触及多个0.5cm×1.0cm淋巴结，轻触痛；心、肺正常；肝肋下2.5cm，质中，边缘钝，无压痛，脾肋下2cm，无腹腔积液；双下肢无水肿；神经系统检查未见明显异常。

应采取的治疗措施包括（）

A.利福平（600mg/D.＋多西环素（200mg/D.抗感染

B.头孢曲松钠抗感染

C.红霉素抗感染

D.吲哚美辛（消炎痛）解热镇痛

E.左氧氟沙星抗感染

F.必要时可用肾上腺皮质激素

G.复方甘草酸制剂、水飞蓟宾胶囊保肝治疗

通常所说的颞下颌“关节强直”指的不是（）

A.真性关节强直

B.关节内强直

C.关节内纤维性粘连

D.关节内骨性粘连

E.颌间挛缩

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.

5（）

A.retaining

B.attaining

C.maintaining

D.gaining