She does well in singing. She is a ________.    

阅读图1、图2和材料，完成下列各题．

材料：黄河干流以河口镇、桃花峪为界分为上、中、下游．上游河套平原、宁夏平原发展灌溉农业条件优越，有“塞上江南”之美称．中上游流经的黄土高原土质疏松，植被覆盖率低．

初冬或初春，黄河某些河段会发生凌汛．凌汛是由于河流南、北段封冻或解冻时间的差异，发生冰坝阻塞水流，导致河水泛滥的现象．

“爆竹声中一岁除，春风送暖入屠苏。千门万户瞳瞳日，总把新桃换旧符。”王安石这首诗描述了宋代哪一节日的气氛（    ）

— I think that this is an interesting lecture _____.

— Oh, come on! No lectures for me. I've been tired ____ to lectures.