采用室内悬吊式紫外线消毒时，照射时间不少于多少？（）
A.30min
B.60min
C.90min
参考答案：A
The South Pole isn’t _____ people could find a comfortable place to live, for the average winter temperature there is below-40℃.
A．which
B．that
C．what
D．where
以下不属于咨询合同财务建议书内容的是()。
A．咨询费用估算方法
B．咨询费用总金额
C．履约保函
D．不可预见费估算
