同学们，你们谁吃过柳树叶吗？化学课一开始，崔老师就问同学们，见没人回答，崔老师又问：有人吃过阿司匹林吗？这时不少同学纷纷举手，崔老师说：中国古代中医以柳树叶入药，以解热镇痛，与阿司匹林有同样的功效，原因是什么呢？接下来这节课同学们听的格外认真，临下课，崔老师请一位同学梳理本节课的学习内容和重点，紧接着其他学生补充完善，最后崔老师还针对本节课内容设计了习题，留给大家作为作业。
崔老师布置作业的主要目的是（ ）。

(单选题)首先提出“明劝诫，著升沉，千载寂寥，披图可鉴”这一绘画功能的是（ ）。 (单选题)描绘叔齐、伯夷拒绝降周而逃至首阳山以野菜充饥最终饿死的历史故事的作品是（ ）。 (单选题)Where would this passage most probably appear? (单选题)What does the underlined word “alternative” mean in Chinese? (单选题)Why does the fourth paragraph take Space Science in context (单选题)What is the public’s attitude towards online conference? (单选题)Which of the following is NOT a potential attendee? (单选题)After the Englishman explained the idiom, _______. (单选题)Which of the following is true according to the passage? (单选题)The underlined word in the first paragraph probably means __