15. ________, the professor felt relieved and went out of his lab.

　　A. Tiring and happy

　　B. Tired but happy

　　C. Tiredly and happily

　　D. Tired and happy

　　答案

　　B

　　解析

　　考查形容词作状语。句意：很累但是很高兴,教授很欣慰地走出实验室。此处指教授的心理活动, tired又和happy构成转折关系,故选B。

　　Ⅱ.阅读理解

　　BEIJING — Apple Inc is one step closer to beginning sales of iPad2 tablet computers(平板电脑)with cell-phone network compatibility(兼容)for the first time in the Chinese mainland, where the consumer — electronics giant is in the midst of an aggressive expansion.

　　According to China’s Telecommunication Equipment Certification Center, a device by Apple with third-generation high-speed wireless data capabilities was issued the network access license needed for the company to begin official sales in China. The device, listed under model number“A1396”, is compatible with the 3G standard WCDMA, and would work with the cell-phone network operated by Apple’s local iPhone partner, China Unicom(Hong Kong)Ltd.

　　China Unicom refused to comment.

　　Apple already offers the 3G iPad2 in Hong Kong through its partners, but currently only offers Wi-Fi versions of the device in the Chinese mainland. Still, consumers in China, which according to research firm IDC surpassed(超过)the U.S. as the world’s largest PC market in the second quarter, have been purchasing 3G tablets through unofficial channels.

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