以不含利息的价格进行交易的债券交易方式是（）。A．套利交易 B

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问题单项选择题

以不含利息的价格进行交易的债券交易方式是（）。

A．套利交易

B．全价交易

C．净价交易

D．投机交易

答案

参考答案：C

解析：净价交易是以不合利息的价格进行交易的债券交易方式，这种交易方式是将债券的报价与应计利息分解，价格只反映本金市值的变化。

阅读理解

根据短文判断正（T）误（F）。

This is my bedroom. The books and dictionaries are in the bookcase. The photo of my family is

on the wall. My backpack is on the chair. And I have a baseball. It's on the floor, between the

bookcase and the dresser. A computer is on my desk, and a video tape is behind the computer.

And I have a hat. It's on my bed.

( )1. I have some books. They are in the bookcase

( )2. The picture of my family is on the desk.

( )3. There is a basketball on the floor.

( )4. A chair is in my bedroom.

( )5. The computer is on my bed.

填空题

“绿色试剂”双氧水可作为采矿业废液的消毒剂，可消除采矿业废液中的氰化物（如KCN），化学方程式为：KCN +H₂O₂+H₂O=A+NH₃↑。

(1)生成物A的化学式为___，反应中被氧化的元素是___。

(2)在标准状况下有0.448 L氨气生成，则转移的电子数为____。