题目

阅读下面材料，从选项中选出最佳选项。In this life, what did you miss?The wife asked the husband whenshe was 25. The husband worriedly replied, “I missed a good job.” When she was35, the husband angrily told her that he had just missed the bus. At 45, thehusband sadly said, “I missed the last momentsaying goodbye to mygrandfather before his last breath.” At 55, the husband saiddisappointingly, “I missed a good chance to retire (退休). At 65, thehusband hurriedly replied, “I missed the time for a dentist.” At 75, the wife did not ask thehusband anymore. The husba下图是长江的干流剖面图和中下游逐月流量变化曲线图，联系美国田纳西河流域开发利用的经验，读图完成下题。1.下列描述能正确反映长江中下游地区气候、水文特征的是A.温带季风气候，河流有两个汛期B.温带大陆性气候，河流夏汛冬枯C.亚热带季风气候，河流水量夏秋多、汛期长D.高寒气候，以冰雪融水补给为主，冬季断流2.流域开发受流域自然背景的影响。长江的利用方式和流域开发方向应该是A.源头地区以生态效益为核心，开发旅游业，建成我国最大的制造业生产基地B.中游建设水土防护林、水源涵养林。疏通河道，大力发展航运C.下游兴建大坝，开展防洪、发电、水产养殖、旅游等综合开发D.借鉴田纳西河流域的开发经验，采取梯级开发，实现流域综合开发利用及生态保护3.长江三峡工程的修建，带来的影响是A.长江航运被大坝完全阻断B.改善了三峡河段的航行条件C.使坝址上游洪水发生的频率增加D.长江中游平原耕地盐碱化现象加剧