对于买入欧式看涨期权，下列风险指标一般为正值的是（ ）。
ⅠGamma
ⅡVega
ⅢTheta
ⅣDelta

What does Ms. Oguro indicate about New Century, New Business? （　　）

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Why did Ms. Oguro write an e-mail to Ms. Narazaki? （　　）

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What can be inferred about John Gilliam from his review? （　　）

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According to the article, why is the merger of Poynter Technologies and Carce Company　mentioned in the book? （　　）

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__________ the new restaurant's grand opening was later than anticipated,most critics agreed that the excellent food and service were worth the wait.

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Office Furniture, Inc, is strongly committed to balancing its__________progress with social responsibility.

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No fault is attached__________the bus driver for the terrible accident at the railway crossing.

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Mr. Jefferson has a reputation for taking risks, but his coworkers describe him as reason-ably __________ in most aspects of his job.

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After__________requests by local residents, the private library was opened to the public.

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He is neither__________ European,nor American. He is from Australia.

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