具有发行可转换债券资格的是( )。A．有限责任公司 B．股份有限公司 C．无限责任

请根据短文内容及首字母提示填空，使短文意思完整、通顺。

     Once there was a very little beautiful, smart girl in my class. I believed she was perfect. When it came

to the time for my birthday, I i __1___ her to my birthday, and she came. We had a very good time and

e __2___ was very happy. I thought we had become good friends. A few months l__3__    it was her

birthday. I bought a special necklace for her. I could not help thinking about how happy she must be

opening my g__4__  . It made me very excited to imagine the surprise on her face.

     I asked her w___5__ her birthday party was going to be. She replied in a cold v__6___ , "Why do

you want to know? You are not invited; you are just a dork with glasses!"

     Her words h__7___  me. I just wanted to be her friends. I felt really b__8___ when she said that and

I just stood there to look at her. Everyone s__9___ by her came to stand next to me. Then we all left.

     That day I came to understand that t__10__ someone looks perfect, he or she may not be.

下列音频文件中，目前被称为“流行的风尚”的是（）。

A、mp3格式

B、wav格式

C、cd格式

D、midi格式

测定白合金中锡的含量时常采用置换滴定方式进行是由于（）。

A.Sn2+对二甲酚橙指示剂有封闭作用

B.Sn2+与EDTA反应较慢

C.有干扰离子存在

D.以上答案都对

图4-7中柱底轴向荷载轴向力设计值F=12000kN，承台混凝土C35，f_t=15700kPa，按《建筑桩基技术规范》(JGJ94-2008)验算承台斜截面的受剪承载力。

对A₁-A₁截面，其验算式与下列（）组数据较为接近。

A．V=3870kN<8501kN

B．V=4245kN<9985kN

C．V=4000kN<72534kN

D．V=4000kN<9985kN

项目管理团队在工程项目施工阶段的服务内容包括（）

A.优化设计

B.性能分析

C.模型建立

D.设计协调

E.成本控制