第3题: [单项选择]男,26岁,上肢血压180~200/100~110mmHg,下肢血压140/80mmHg,体检:肩胛间区可闻及血管杂音,伴震颤,尿17-酮,17-羟类固醇正常,尿苦杏仁酸正常。其高血压原因应考虑为继发于() A. 皮质醇增多症 B. 主动脉缩窄 C. 嗜铬细胞瘤 D. 原发性醛固酮增多症 E. 单侧肾动脉狭窄 参考答案:B 答案解析:主动脉狭窄多数为先天性血管畸形,少数为多发性大动脉炎所引起,特点为上肢血压增高而下肢血压不高或降低,呈上肢血压高与下肢血压不高或降低的反常现象。在肩胛间区、胸骨旁、腋部可有侧支循环动脉的搏动和杂音或腹
第5题: [单项选择]With his blows knitted, the doctor contemplated the difficult operation he had to perform.
A. succeeded in B. decided against C. went on with D. thought deeply about 参考答案:D 答案解析:[解析] 本题中,contemplated的意思是“凝视,沉思,预期,企图”。四个选项中,thought deeply about的意思是“深思”;succeeded in的意思是“在……方面成功”;
第18题: [单项选择]The Board of Directors decided that more young men who were qualified would be ______ important positions. A. attributed to B. furnished with C. installed in D. inserted into 参考答案:C 答案解析:at tribute to归因于。furnish sb/sth with供给某人某物以…。install in使正式就职,正式任命。 insert into插入,放进。
第34题: [填空题]设有如下程序: Private Sub Form_Click( ) Dim a As Integer,s As Integer n=8:s=0 Do s=s+n:n=n-1 Loop While n>0 Print s End Sub 以上程序的功能是计算1-8的和。程序运行后,单击窗体,输出结果为______。 参考答案:36 答案解析:[解析] Do…While语句的循环运算次数为8次,当n减小到O时跳出循环。所以经运算s=1+2+3+4+5+6+7+8,其结果为36。