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问题 单项选择题

注册房地产估价师未按规定办理变更注册仍执业的，应限期改正，逾期不改正的，可处以( 　)元以下的罚款。

A．1000

B．5000

C．10000

D．30000

答案

参考答案：B

判断题

为防止晶间腐蚀，与腐蚀介质接触的焊缝应先焊。( )
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选择题

____ his telephone number, she had some difficulty getting in touch with Bill.

A．Not knowing

B．Knowing not

C．Not having known

D．Having not known
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