Antioxidants (抗氧化剂) in coffee are thought to help protect against stroke — but too much must raise b

30．What is the attitude of Dr. Dale Webb toward this study?
A．He saw more findings of this study unsatisfiedly.
B．He understood the difficulty of this study.
C．He appreciated the achievements of this study.
D．He was disappointed to find no following research.
31．What can be a suitable title for the text?
A．Drinking coffee raises blood pressure B．Drinking tea reduces stroke
C．Drinking coffee equals drinking tea D．Drinking tea or coffee properly matters

答案
28 -31  C B C D
【导读】说明文。最近的研究表明，喝咖啡或绿茶可以降低中风的风险。但是，喝过量也会导致血压升高，因此，要适量饮用咖啡或绿茶。
28.C　细节理解题。根据第一段最后一句“Similarly, green tea could also be beneficial .... the brain is blocked.”可知，当大脑中的血管发生堵塞的时候，可能会导致中风。
29.B　推理判断题。根据第二段第二句“They found that ... compared to those who rarely drank it.”可推断，每天至少喝一杯咖啡对身体健康有好处。
30.C　观点态度题。根据最后一段第一句“Dr. Dale Webb, ... said,‘We welcome this study ... potential harm from caffeine.’”可判断出，Dale Webb医生对这项研究的成果持赞赏态度。
31.D　标题归纳题。根据文章可知，本文主要讲述：最新的研究表明，适当饮用一定量的咖啡或绿茶能降低患中风的风险。D项意为“适当饮用咖啡或茶很重要”，体现了本文主旨，适合作标题.