颈部CT扫描技术的描述错误的是（）. A.患者仰卧，颈部与床面平行 B.摄取颈部侧位
题型：单项选择题
问题：
颈部CT扫描技术的描述错误的是（）.
A.患者仰卧，颈部与床面平行
B.摄取颈部侧位定位像
C.甲状腺扫描范围从第3颈椎下缘至第1胸椎
D.甲状腺的扫描层厚与层间距可用5mm
E.扫描方式：螺旋或非螺旋均可
题型：单项选择题
阅读理解。
we surveyed (调查) 300 young people on what they like to do at weekends: one hundred people are from the
ages of 11-18, one hundred l9-26 and one hundred 27-35. The following shows their answers:
1. How many people enjoy playing computer games in the 11-18 group? [ ]
A. 20.
B. 50.
C. 60.
D. 75.
2. The people of l9-26 enjoy _______ most. [ ]
A. watching TV
B. going to the movies
C. playing computer games
D. taking a walk
3. According to the survey, which two activities do most people enjoy doing? [ ]
A. Playing computer games and watching TV.
B. Playing computer games and taking a walk.
C. Watching TV and going to the movies.
D. Going to the movies and taking a walk.
4. From the chart above, we can see the older people are, the more they like ______. [ ]
A. watching TV
B. taking a walk
C. going to the movies
D. playing computer games
5. Which of the following is TRUE according to the chart? [ ]
A. Fewest people like taking a walk.
B. The people of l l-18 like taking a walk most.
C. 90 people like going to the movies in the l9-26 group.
D. The people of 27-35 like playing computer games most.
平行的直线方程是（）。
