阅读下面两篇文言文，完成题目。

     (甲)《诫子书》全文。

     (乙)成王封伯禽于鲁。周公诫之曰：“往矣，子无以鲁国骄士。吾，文王之子，武王之弟，成王之叔父也，又相天子，吾于天下亦不轻矣。然一沐三握发，一饭三吐哺，犹恐失天下之士。吾闻，德行宽裕，守之以恭者，荣；土地广大，守以俭者，安；禄位尊盛，守以卑者，贵；人众兵强，守以畏者，胜；聪明睿智，守之以愚者，哲；博闻强记，守之以浅者，智。夫此六者，皆谦德也。夫贵为天子，富有四海，由此德也。不谦而失天下，亡其身者，桀、纣是也。可不慎欤？”

(《周公诫子》)

I’m Nancy. I’m in Year 8 at Woodland School near London. It is a mixed school. Among all my subjects, I like French best ____.

Our school has a Reading Week every year. During the week, we can ____. We can ____. I often ____. Near the end of the week, we ____. Time ____.

某同学用如图所示器材探究“凸透镜成像规律”，此时光屏上成清晰的像，下列说法正确的是（　　）

内环境稳态的重要意义是(        )