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问题 选择题

Help others whenever you can _______ you will earn respect from others without difficulty.

A．and

B．or

C．unless

D．but

答案

答案：A

本题的含义是无论在何时你都可以帮助别人，那么你将会毫无困难的赢得别人的尊重，表示先后的顺序关系可用and连接，故本题选A。

单项选择题

Toby Jensen originally purchased 400 shares of CSC stock on margin at a price of $60 per share. The initial margin requirement is 50 percent and the maintenance margin is 25 percent. CSC stock price has fallen dramatically in recent months and it closed today with a sharp decline bringing the closing price to $ 40 per share. Will Jensen receive a margin call（）

A. Yes, he does not meet the minimum maintenance margin requirement.

B. Yes, he does not meet the minimum initial margin requirement.

C. No, he meets the minimum maintenance margin requirement.
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单项选择题

在Web应用软件的基本结构中，客户端的基础是______。

A．客户端组件

B．浏览器

C．HTML文档

D．HTML协议
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