The last full moon of 2017 is going to appear a little bigger and brighter than most.

    Dec. 3 will bring a supermoon,____ (mean) a full moon that happens at perigee—the same time that the moon is closest to the earth.____this particular occasion, the moon will appear 7 percent larger and 16 percent brighter than usual. Not only will this be the only full supermoon of 2017,____it's also going to kick off a series of three full supermoons in a row. The full moons on Jan. 2 and Jan. 31 will be super ____(one) and even they'll be blue super moons,____means the second full moon in a single month.

    While some moonwatchers might be getting excited, some people think the hype（炒作）around supermoons isn't all it ____ (regard) as being. A scientist slammed（抨击）the term last year as something made up ____ (complete) and a waste of everyone's time. He acknowledged that supermoons would appear bigger and brighter, but that actually an amateur ____ (observe) wouldn't notice the difference. Another scientist ____ (make) a similar ____ (argue) back in 2012.

    If the supermoon makes you want to go out and appreciate the sky's beauty, we say “Go for it.”

（Ⅰ）求 $\text{tan}x$ 的值；

（Ⅱ）求 $\text{sin}2x-{\text{cos}}^{2}x$ 的值．

为了表达对2008年北京奥运会的祝福，第24届国际孔子文化节组委会从《论语》中梳理了20句经典语言，拟选出最有代表性的5句推荐给北京奥组委。假设以下是网友推荐的经典语言，让你从中选出最能体现孔子思想精华内容的一句，那么你应选择的是(     )   

阅读下面这首唐诗，完成小题

客游

李贺

悲满千里心，日暖南山①石。

不谒承明庐②，老作平原客③。

四时别家庙，三年去乡国。

旅歌屡弹铗④，归问时裂帛⑤。

【注】①南山：指李贺家乡的山。②承明庐：汉承明殿旁屋，侍臣值宿所居。③平原客：“平原”指平原君赵胜。李贺作客潞州，是旧赵地，故称“平原客”。④弹铗：《战国策》载冯谖才华出众，在孟尝君门下不甘做下客，因而弹铗而歌，要鱼、要车等。⑤裂帛：指写家信。

阅读陆游的《幽居初夏》，回答问题。

湖山胜处放翁家，槐柳阴中野径斜。水满有时观下鹭，草深无处不鸣蛙。

箨龙已过头番笋，木笔犹开第一花。叹息老来交旧尽，睡来谁共午瓯茶。

【注】箨（tuò）龙，就是笋。木笔，又名辛夷花。两者都是初夏常见之物。