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Speaker A: Good afternoon, Im here for my four oclock appointment with Dr. Brown. Speaker

A. Nice to see you. I"m Dr. Brown"s secretary.
B. Why don"t you have a seat for a moment?
C. Excuse me, when did you make this appointment with him?
D. I"m sorry. He will be busy the whole afternoon.

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【S4】

A. spend
B. use
C. take
D. consume

You are to write in no less than 120 words about the title "The Pros and Cons of the Internet". You should base your composition on the outline given in Chinese below: (1)互联网给我们带来的好处。 (2)随着互联网的普及而产生的问题。 (3)我的看法。

慢性阻塞性肺气肿最常见的原因

A. 慢性支气管炎
B. 支气管扩张症
C. 抗胰蛋白酶不足
D. 尘肺
E. 支气管哮喘

麻疹的病原体是

A. 麻疹病毒
B. 乙型A组溶血性链球菌
C. 水痘一带状疱疹病毒
D. 腮腺炎病毒
E. 百日咳杆菌

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