以下哪些单板可以安装在BSC6680的CSPS框中:()
A、PO1b
B、XPUa
C、SCUa
D、GCUa
E、DPUb
参考答案:A, B, C, E
Usually children under six are not ______ to school except those of extraordinary intelligence.[ ]
A. permitted
B. admitted
C. accepted
D. received
能第一时间判断是否中毒的关键步骤是()。
A.病人的精神状态
B.有无接触毒物
C.同桌进餐者是否出现相同症状
D.把可疑毒物送去正规机构检验