阅读短文，选择正确的答案，将序号填在括号里。

      Hello, I'm David. I have two new teachers, a math teacher and a computer teacher. Do you know them?

Mr. Brown is my math teacher. He is from England. He is strict, but' he is kind. He is strong. He is a good

football player. His class is so much fun! My computer teacher is Miss Li. She is short. She is pretty. She's

very kind, too. I like them very much.

1. How many new teachers does David have?[ ]

A. Two.

B. Three.

C. One.

2. Who is David's math teacher?[ ]

A. Miss Brown.

B. Mr. Brown.

C. Mr. Carter.

3. Does David like his math teacher? [ ]

A. Yes, he does.

B. No, he doesn't.

C. Yes, he is.

4. What is David's computer teacher like?[ ]

A. She is funny and kind.

B. She is short and pretty.

C. She is very strong.

5. Is Miss Li strict?[ ]

A. Yes, she is.

B. No, she isn't.

C. No, she doesn't.

关于投标限定，下列说法错误的是( )。

A．利率或利差招标时，标位变动幅度为0.01%

B．乙类成员最低、最高投标限额分别为当期国债招标量的0.5%、10%

C．甲类成员最低投标限额为当期国债招标量的3%，对不可追加的记账式国债，最高投标限额为当期国债招标量的30%

D．单一标位最低投标限额为0.2亿元，最高投标限额为15亿元