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问题 单项选择题

在期货期权交易中，除（）之外，其他要素均已标准化了。

A.权利金

B.合约月份

C.合约到期日

D.执行价格

答案

参考答案：A

解析：与期货交易相同，在期权交易中，期权权利金即期权成交价格是期权合约中惟一能在交易所内讨价还价的要素，其他合约要素均已标准化。

多项选择题

静压桩质量验收的主控项目为（）。

A、桩体质量检验

B、桩位偏差

C、承载力

D、桩顶标高
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单项选择题

The following data sufficiency problems consist of a question and two statements, labeled (1) and (2), in which certain data are given. You have to decide whether the data given in the statements are sufficient for answering the question. Using the data given in the statements plus your knowledge of mathematics and everyday facts (such as the number of days in July or the meaning of counterclockwise), you must indicate whether.

What is the value of x-y ？（）
(1) (x-y)2=25
(2) 4x=4(y+3)

A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.

B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.

C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.

D. EACH statement ALONE is sufficient.

E. Statements (1) and (2) TOGETHER are NOT sufficient.
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