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问题 单项选择题

工程造价信息管理人员及时更新造价信息库中的有关资料，这体现了工程造价管理中的( )。

A．有效性原则

B．高效处理原则

C．定量化原则

D．时效性原则

答案

参考答案：D

改错题

I had a interesting dream last night. I dreamedthat I took part in a race. At first, I could not to run very fast and fell behind. So I didn’t lose heart and keptrunning. All the students on the playground cheer me on, “ Come on!” I was so encouraging that I ran faster and fast till I caught up all the other runners. I felt as if flying like a superman. In the end, I got to the finishing line first.I won the race. I felt very proudly of myself. Many of my classmate threw me up into the air. Just at that timeI woke up and found me still in bed!
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单项选择题

临床上最常见的视网膜血管病是（）

A.视网膜动脉阻塞

B.视网膜血管炎

C.糖尿病性视网膜病变

D.视网膜静脉阻塞

E.视网膜毛细血管扩张症
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