代签工程建设合同属于( )。A．委托代理 B．指定代理 C．法定代理 D．转托代理

若要更改矩形边框的粗细，可单击该矩形，单击“______”工具栏上的“线条/边框宽度”按钮旁的箭头，然后单击所需的粗细。

第三部分 短文改错（10分）

I had a interesting dream last night.I dreamed                   小题1:. ____________

of I took part in a race.At first,I could not run very                 小题2:. ____________

fast and fell behind.So I didn’t lose heart and kept                  小题3:. ____________

running.All the students on the playground cheer me on,             小题4:. ____________

“Come on!”I was too encouraged that I ran faster and faster          小题5:. ____________

till I caught up with all the other runners.I felt as if to flying like           小题6:. ____________

a superman.By the end,I got to the finishing line first.               小题7:. ____________

I won the race.I felt very proud myself.Many of my                 小题8:. ____________

classmate threw me up into the air.Just at that time                  小题9:. ____________

I woke up and found me still in bed!                             小题10:. ____________

准正的两种形式，是：因生父母结婚而准正、因（）而准正。

居民甲某共有三套房产，2007年将第一套市价为80万元的房产与乙某交换，并支付给乙某15万元；将第二套市价为60万元的房产折价给丙某抵偿了50万元的债务；将第三套市价为30万元的房产作股投入本人独资经营的企业。若当地确定的契税税率为3%，甲某应缴纳契税( )万元。

A．0.45
B．1.95
C．2.25
D．2.85

气候变化挑战将成为“十三五”规划面临的最重大问题之一，能否走出一条具有中国特色的气候变化应对之路，建设一个“（）”社会，将成为“十三五”规划实现生态文明建设的重中之重。

A.气候变化适应性

B.气候稳定性

C.气候变化性

D.气候不确定性