第17题: [单项选择]与普通CT相比,螺旋CT的缺点不包括() A. 纵向分辨率下降 B. X线管损耗大 C. X线剂量大 D. 价格贵 E. 可回顾性地重建 参考答案:E
第18题: [简答题]This is to certify that Mr. Wu Jian was employed in our Accounts Department as Account General for the period from January 1997 to the end of December 2000. During the time he has faithfully attended to his duties, proving himself to be industrious and reliable. 参考答案:兹证明吴健先生从1997年1月至2000年12月底在我会计科担任主任会计。在此期间,他工作负责,不辞辛苦且诚实可靠。