[单项选择]Lisa Cox feels that the price of corn is going to rise in the future and wants to lock in a price using either a futures or forward contract. She is unfamiliar with the differences between the two instruments and asks her associate, Matt Kudrow, to explain the differences. Which of Kudrow’s comments is TRUE In futures markets, the role of the clearinghouse is to:（　）
A. prevent arbitrage and enforce federal regulations. 
B. act as guarantor to both sides of a futures trade. 
C. reduce transaction costs by making contract prices public.

[单项选择]Why is Hank going to Lisa’s house
A. To attend a dance.
B. To get some food.
C. To see sick Lis

[填空题]Lisa

[填空题]现已知COX可分为COX-1和COX-2两型，非甾体抗炎药对______的抑制是其治疗作用的基础，而对______的抑制则成为其产生不良反应的原因。

[单项选择]同时抑制COX-1和COX-2的非甾体抗炎药称（）
A. 非甾体抗炎药
B. DMARD
C. 选择性COX-2的抑制剂
D. 非选择性COX抑制剂
E. 糖皮质激素

[简答题]请以Mary的名义给Lisa发一封关于去英国留学的电子邮件。Lisa的邮址是lisa888@aol.com, Mary的邮址是mary@oou.com。写信日期是2006年3月6日。邮件内容：Mary正在申请进入英国大学学习，初步打算明年春大去英国的牛津或剑桥大学学习。希望Lisa可以提供些建议，例如哪所大学的会计专业比较好，能否提供全额奖学金，当地的学习、生活费用如何等。
Words for reference：
牛津：Oxford 剑桥：Cambridge
会计：accounting 全额奖学金：full scholarship

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{{B}}Date:{{/B}}

[单项选择]Linda: Good morning, Lisa.
Lisa: Good morning, Linda. What do you want to do this weekend
Linda: I don’t know. I have lots of homework to dn. What about you
Lisa: I want to go to the Beijing Zoo.
Linda: Beijing Zoo It is a good idea.
Lisa: Why
Linda: Because there are some cute giant pandas.
Lisa: But I don’t know how to get to the zoo.
Linda: You can go with my classmate Jane.
Lisa: Jane I know her.
Linda: Jane asks me to go to the zoo with her. but I am busy. Jane knows how to get to the zoo.
Lisa: It’s good. What’s her telephone number I will phone her this afternoon.
Linda: It’s 3869876.
Lisa: Thank you.
Linda: You are welcome.
Linda has much homework to do this weekend.
[A] True. [B] False.

[单项选择]A. Lisa might be able to help. B. Lisa is always on the Internet.
C. Sandy is busy with her engagement. D. Sandy is working on her lab reports.

[单项选择]What does Lisa mean
A. She couldn’t answer the phone.
B. She didn’t want to answer the phone.
C. She would answer the phone after she finished washing her hair.