下列关于建设项目的各项工程的从属关系，表述有误的是( )。A．单位工程是单项工程的

用括号中所给单词的适当形式完成下列句子.

1. Joanna received many _________ when graduating from middle school. (gift)

2. Alex is _________ years old and is taken good care of in the kindergarten. (fourth)

3. Whose school uniform is that on the chair, yours or _________? (my)

4. It was _________ for human begins to predict weather in the past. (difficulty)

5. There is a beautiful _________ on the wall in each room of my house. (paint)

6. You need to explain your opinions quite _________ when having a debate. (clear)

7. Let's hope that all our troubles will __________ soon. (appear)

8. The local people are ___________ that the whole nation are helping them rebuild the town. (thank)

It is not who is right but what is right          is of importance.    [ ]

A. which                          

B. it

C. that                            

D. this

若投资报酬率是5%，采用现值法计算，林先生应有的年储蓄为( )万元。

A．4.62

B．5.35

C．6.34

D．7.86

为使空气换热器（）高些，换热器的气体流动类型应采用逆流。

在施工过程中，遇到下列（）时，发包人需要向承包方延时工期补偿必须费用，但不必补偿利润。

A.未预测到的不利于施工的外界自然条件

B.招标文件和图纸均未说明的外界障碍物

C.改变合同中任何一项工作的质量要求或其他特性

D.招标文件未提供或与提供资料不一致的地表以下的地质和水文条件

E.监理确定部分工程因不合格而需要返工