【C17】
A. pass
B. past
C. ago
D. before
A．It could be the cellphone equipment.B．It could be the line upgrading.C．It could be t
A. It could be the cellphone equipment.
B. It could be the line upgrading.
C. It could be the man's wrong operation.
D. Not given.
（）是第一级评估，它易于进行，是最基本、最普遍的的评估方式。
A. 反应评估
B. 学习评估
C. 行为评估
D. 结果评估
碘化物造影须做过敏试验，应在何时进行
A. 检查前1～2h
B. 检查前6～12h
C. 检查前12～24h
D. 检查前24～48h
E. 检查前48～72h
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