平面向量a与b的夹角为60°，a=（2，0），|b|=1则|a+2b|=____

阅读短文，选择正确的答案。

      Cherry knows very well that she is very beautiful. She does not like girls more beautiful than her. She does

not like ugly people either. Her friends like to talk about film stars and singers. But Cherry says she is not

interested in them. She tells her friends that one day she will become a film star too. She always acts like she is

better than everybody else. Cherry was with her friends at a coffee shop one day. Mandy, one of her friends ran

to the coffee shop to meet them. She was catching her breath, "Big news, girls. Nicholas Tse is coming to Sai

Kung to make a film. We can see him in person and perhaps we can take pictures with him. "All the girls were

very excited about the news. But Cherry did not seem to be interested in it. She said. "Nicholas Tse is a star.

So what?" The next afternoon, the weather was hot. Cherry was standing in line to buy an ice cream. When she

was about to pay, her dollar fell onto the ground. A young man behind her picked up the dollar and gave it back

to her. It was Nicholas Tse. Cherry took the dollar. She said "thank you" and turned back without a second look.

She pretended that she did not know him. But her face was turning red. Her heart was beating very fast. Cherry

left the ice cream shop. She had some change in her hand but she did not have the ice cream. She went back to

the shop and asked the boy, "Where is my ice cream?" The boy said, "I don't know. I gave it to you." Then

Nicholas Tse said to Cherry, "I saw you put it in your purse." Then he and the other people in the shop could

not help laughing.

1. Cherry thinks she is better than other people because              .[ ]

A．she doesn't like ugly people

B．she knows that she is beautiful

C．she has beautiful friends

D．she knows Nicholas Tse

2. Cherry wants to              in the future. [ ]

A．become a film star

B．become a singer

C．meet Nicholas Tse

D．become very beautiful

3. In the ice cream shop,             . [ ]

A．Nicholas Tse and Cherry were laughing

B．the boy didn't give Cherry an ice cream

C．Cherry forgot her change

D．Nicholas Tse was standing behind Cherry

4. When Cherry walked out of the ice cream shop,             .[ ]

A．she didn't have her ice cream

B．she didn't have her change

C．Nicholas Tse was talking to her

D．everybody was laughing

当财务内部收益率(FIRR)( )，则认为项目在财务上可行(i_c为行业基准收益率)。

A．≥i_c

B．＜i_c

C．＞0

D．＜0

民事法律关系的产生是指民事法律关系的( )形成了一定的权利和义务关系。

A．主体之间

B．客体之间

C．主体与客体之间

D．主体与内容之间

如下关于信息检查哪项是错误的（）

A、信息检查人员应审核信贷管理系统中各项客户信息是否完整、准确

B、信息检查人员应审核信贷管理系统中各项财务信息是否完整、准确

C、信息检查人员应审核各项相关信息是否能够满足评级所需

D、信息检查人员发现信息录入有错漏应当对其进行补充完善