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问题 单项选择题 A1型题

患者女性，56岁，2年前因左股骨颈骨折，行三刃钉固定术，后痊愈出院。近1个月来，患者走路或活动较多时感左髋部疼痛，遂就诊。为明确诊断最好的检查手段是（）。

A.X线平片检查

B.CT检查

C.局部骨三时相显像

D.放射性核素全身骨显像

E.放射性核素局部骨断层显像

答案

参考答案：C

填空题

铝的密度是2.7×103kg/m3，表示的物理含义是______，将铝块切去1/3，剩余部分的密度是______g/cm3．一只医用氧气瓶的容积是2×10-2m3，原来装有0.6kg的压缩氧气，给病人输氧用去了0.4kg氧气，则该氧气瓶里剩下的氧气的密度为______．
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完形填空

第二节语法填空（共10小题，每小题1.5分，满分15分）

阅读下面短文，根据上下文填入适当的词语，或使用括号中的词语的适当形式填空，并将答案填写在答题卡上标号为31-40的相应位置。

Jean is a 17-year-old high school student. On Saturday mornings, Jean and her friends take part in the program    31       (call) SAVE THE KIDS. They travel to a poor area of Washington D.C.  They help younger students learn    32     to read and to solve mathematics problems. Many American teenagers join in programs    33        serve their communities. On weekends Jean sometimes works at an ice-cream store. When she is not working, she gets together with her girlfriends. They might go to a movie, to a shopping mall or to an eating place. Or they might attend    34      sports event of their high school. They also often stay at one girl’s house for the night.

35    teenagers in most parts of the country, Jean began driving a car when she was 16 years old. She does not have her car, however. She must    36     the family car with her parents. About 70 percent of American teenagers have their own cars. Many of them drive their cars to school every day. Jean does not smoke cigarettes   37     drink alcohol.   38    do her friends. But many teenagers at her school do. Drinking alcohol is a major problem there. Every weekend teenagers have parties, where they drink alcohol. Then they drive to other parties. People under the age of 21   39         (not allow) to drink alcohol in the United States. And it is    40          (danger) to drink and drive a car. Yet this does not stop some teenagers.

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