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问题 多项选择题

一般来说，债券具有如下特征（）。

A.流动性

B.永久性

C.安全性

D.收益性

答案

参考答案：A, C, D

解析：债券的特征包括偿还性、流动性、安全性和收益性。永久性属于股票的特征。

阅读理解

阅读下面的短文，选择正确的答案。

      Hi, I'm Wu Yifan. I'm going to have a busy weekend! On Saturday, my father is going to buy some

newspapers. My mother is going shopping. I'm going to visit my friend, Mike. On Sunday, my father is going

to read a magazine. My mother is going to watch TV. I'm going to the bookstore. I'm going to buy a dictionary.

After that we are going to the cinema.

1. — What is Wu Yifan's father going to buy on Saturday?  — He is going to buy some ____________.

A. newspapers

B. magazines

C. comic books

2. — Where is Wu Yifan going on Sunday?  — He is going to the ____________.

A. supermarket

B. bookstore

C. library

3. — After that where are they going?  — After that they're going to the ____________.

A. post office

B. museum

C. cinema
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单项选择题

对纵向带肋受力钢筋锚固长度的认识，下列各项中哪一项是不正确的？（）

A．受压钢筋的锚固长度较受拉钢筋短

B．锚固长度与钢筋的保护层厚度无关

C．在钢筋的锚固区配置箍筋有利于钢筋的锚固性能

D．在钢筋的锚固区作用有横向压力时，可以减小钢筋在支座中的锚固长度
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