属于右心室的结构是()。 A.主动脉前庭 B.动脉圆锥 C.左心耳 D.梳状肌 E.

题型:单项选择题 B1型题

问题:

属于右心室的结构是()。

A.主动脉前庭

B.动脉圆锥

C.左心耳

D.梳状肌

E.右心耳

考点:病案信息技术(主管技师)解剖学解剖学题库
题型:单项选择题 B1型题

MAGE-1这一肿瘤相关抗原最常见于()

A.软组织肉瘤 

B.淋巴瘤 

C.黑色素瘤 

D.乳腺癌 

E.肺癌

题型:单项选择题 B1型题

黄河在宁夏境内的流向大致是[     ]

A.自西向东流

B.自南向北流

C.自东向西流

D.自北向南流

题型:单项选择题 B1型题

简述我国批准《公约》时的两项保留。

题型:单项选择题 B1型题

甲乙丙丁四图代表我国四大高原区域范围图,据此回答下题。

四大高原均为生态脆弱区,但造成生态脆弱的原因不尽相同,下列说法正确的是()

A.甲高原海拔高,热量不足,土层较薄,植被稀疏

B.乙高原水旱灾害频繁,水土流失,土壤侵蚀严重

C.丙高原喀斯特地貌广泛发育,地表岩石裸露,植物难以生长

D.丁高原气候干旱,戈壁、荒漠广布,水源不足

题型:单项选择题 B1型题

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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