安装在屋外的落地式配电箱,其底部应高出地面()毫米以上。
参考答案:200
第2篇 Tightened Visa Regulations
Which of the following is NOT required of an E-2 visa applicant
A.To pass a Korean language test.
B.To undergo a medical test.
C.To provide sealed school reports.
D.To undergo a drug test.
目前对脑胶质瘤常用且诊断价值最大的检查手段是()
A.头颅X线平片检查
B.脑血管造影
C.脑室造影
D.放射性同位素扫描
E.强化CT或MRI