脊髓空洞症
A．蝴蝶征B．靶征C．透明隔增厚征D．白质推挤征E．三角征
参考答案：A
With many years of working experience, Jack is ___________ for the job.
A．required
B．qualified
C．substituted
D．distributed
女性，76岁，血压160／95mmHg确诊心肌梗死，诊断为（）
A.高血压病1级，高危
B.高血压病1级，极高危
C.高血压病3级，极高危
D.高血压病2级，高危
E.高血压病2级，极高危
