Now, at ten, Selah Schneiter has become the youngest person ever to climb the 3,000-foot-high Nose r

4. B    5. C    6. D    7. A
【解析】
这是一篇记叙文。文章讲述了年仅10岁的Selah Schneiter成功攀爬上了位于优胜美地国家公园高达3000英尺的酋长岩“鼻子”的壮举，成为史上最年轻征服这座峭壁的攀岩者的故事。
【4题详解】
推理判断题。根据第二段中“El Cap was the mountain my wife Joy and I first climbed together......
After the couple married, they returned there to climb. They took Selah on her first trip to Yosemite when she was only two months old.” Selah的父亲和母亲相识相爱就在酋长岩。结婚后，他们又回到那里攀岩。他们带Selah第一次去Yosemite是在她仅两个月大的时候。可知Mike与Yosemite有很深的渊源。故选B项。
【5题详解】
推理判断题。根据第四段中“Doing such a climb with a ten-year-old, Regier considered it seriously.”和一个十岁的孩子一起攀岩，Regier对此非常慎重。可知，Regier起初对Selah攀岩持小心谨慎的态度。A. Amused.快乐的；B. Confident.自信的；C. Cautious.谨慎的；D. Encouraged.鼓励的。结合选项翻译可知，C项Cautious“谨慎的”切合语境。故选C项。
【6题详解】
词义猜测题。根据第五段中“Although when it got really exposed it can be a little scary. She admitted to getting nervous under The Great Roof, but she calmed herself and was comfortable being so high”Selah觉得完全暴露在岩壁上时有点恐高，她承认在爬The Great Roof时很紧张，但她觉得也没有那么可怕，她还很舒服地待在高处。A. Scare.害怕；B. Relaxation.放松；C. Pride.骄傲；D. Courage.勇气。结合原文中“She admitted to getting nervous under The Great Roof, but she calmed herself”她承认在爬The Great Roof时很紧张，但她让自己冷静下来了。意在表明她此时显示了她的勇气。结合选项翻译可知，D项Courage“勇气”切合语境。故选D项。
【7题详解】
主旨大意题。根据第一段中“Now, at ten, Selah Schneiter has become the youngest person ever to climb the 3,000-foot-high Nose route of El Capitan, topping out above Yosemite Valley. Selah was unaware she was breaking a record at the time.”可知全文主要讲述了年仅10岁的Selah跟随父亲和他们的朋友，经过五天的攀爬，成功爬上了酋长岩“鼻子”。她成为了迄今为止完成这一壮举的年龄最小的攀岩者，而当她登顶的时候，并没有意识到自己打破了一项记录。结合选项分析A项Small Climber, Big Outcome“年纪小的攀登者，却拥有很大的成就”，生动形象具有高度的概括性，适合作为标题。故选A项。