第8题: [单项选择]With the advancement of technology, computers have come into the market （ ） capable of doing very complicated calculations at great speed. A. that they are B. which are C. that is D. which they are 参考答案:B 答案解析:
第16题: [单项选择]年轻人患有重度高血压，又无高血压家族史，为除外肾动脉狭窄引起的继发性高血压，对确诊有帮助的检查是 A. 血肾素测定 B. 腹部B超检查 C. 腹部核磁共振 D. 核素肾图或肾动态检查 参考答案:D 答案解析:[考点] 诊断继发性高血压肾动脉狭窄的方法 [分析] 青年时期患高血压，尤其舒张压呈中、重度升高者，又无高血压家族史，须除外继发性高血压。肾动脉狭窄是常见的继发性高血压之一，青年人多为肾动脉
