A. hopeful B. defeated C. conscientious D. uncertain 参考答案:A 答案解析:词义推测题。此处的seemed far more upbeat与前面的had reason to be optimistic构成并列谓语，因此意义应与optimistic类似。
第7题: [单项选择]I ________ him the Christmas gift by mail because he came home during the Christmas holidays. A. ought to have sent B. couldn’t have sent C. must have sent D. needn’t have sent 参考答案:D 答案解析:[试题分析] 本题考查虚拟语气。
[参考译文] 我不用把圣诞礼物给他邮去了，因为他圣诞节期间回家了。
[详细解答] 主句用了一句与过去事实相反的表示必要性的虚拟语气，符合题意。
第10题: [单项选择]What does the man mean A. He prefers to listen to music alone. B. He thinks it is better to stay at home and watch TV. C. He prefers to go to the football match. D. He wants to play football than to go home. 参考答案:B 答案解析:[听力原文] W: Would you like to go the concert with us M: I’d rather watch the football match at
