根据提供的信息和语言素材设计教学方案，用英文作答。 设计任务

[多选题]根据提供的信息和语言素材设计教学方案，用英文作答。 设计任务：请阅读下面学生信息和语言素材，设计20分钟的阅读教学方案。教案没有固定格式，但须包含下列要点：●teaching objectives●teaching contents●key and difficult points●major steps and time allocation●activities and justifications 教学时间：20分钟 学生概况：某城镇普通高中一年级第一学期学生，班级人数40人。多数学生已经达到《普通高中英语课程标准（实验）》五级水平。学生课堂参与积极性一般。 语言素材： The Life of Mark Twain Often the lives of writers resemble the lives of the characters they create.Mark Twain, who wrote The Adventures of Huckleberry Finn and The Adventures of Tom Sawyer,was noexception.Tostartwith,theauthor'sname,MarkTwain,isitselfaninvention,or"pen name".Twain's real name was Samuel Clemens."Mark Twain",which means"watermark two",was a call used by sailors on the Mississippi to warn shipmates that they were coming into shallow water. Like Huck,Mark Twain led an adventurous life.He left school early,and as an adolescent, determined to make his fortune in South America,set off from his home in Hannibal,Missouri, for New Orleans,He wanted to take a boat to the Amazon,where he thought he could get rich quickly.He arrived in New Orleans without a penny in his pocket only to find that there were no boats for South America.Forced to change his plans,he worked for several years as a pilot on a steamboat,taking passengers up and down the Mississippi,the great river which flows from the north of the US near the Canadian border,down to the Gulf ofMexico. Later he became a journalist and began writing stories about life on the river.Twain's vivid and often amusing descriptions of life on the river quickly became popular,and established the reputation he still enjoys today as one ofAmerica's greatest writers.

A. 【参考设计】 Teaching Contents: This is a reading lesson about an introduction to a famous writer Mark Twain,including the meaning of his pen name and his life experiences-tried different jobs and went to different places-which laid a good foundation for his writing career. Teaching Objectives: (1)Knowledge objective Students can know more about the famous writer Mark Twain,especially his life experiences. (2)Ability objective Students can develop the ability,such as skimming,scanning and careful reading,to read biographical essays. (3)Emotional objective Students'literary attainment can get cultivated,and they can have an awareness of the connection between an author's works and his/her life experiences. Teaching Key and Difficult Points: (1)Teaching key point Students can grasp the main idea and detailed information of the passage,and then they can retell Mark Twain's life experiences. (2)Teaching difficult point Students can learn to develop their literary attainment. Major Steps: Step 1 Pre-reading(3 minutes) (1)Show the photos of Mark Twain and his works,and then ask students two questions: ①Who is Mark Twain?How much do you know about him? ②Have you ever read any works of him?Which one do you like best?Why? Invite several students to answer the questions. (2)Ask students to read the title of the passage and predict what the passage will talk about. (Justification:The photos can activate class atmosphere and provide students with some clues to answer the questions.Prediction can arouse students'curiosity and make a preparation for reading the passage.) Step 2 While-reading(12 minutes) (1)Skimming Ask students to read the passage quickly to check their prediction within 3 minutes and then finish the match. Para.1 Mark Twain earned a reputation. Para.2 the meaning of the pen name Para.3 the adventurous life on the Mississippi River (2)Scanning Ask students to locate certain information by reading the passage quickly to answer the following questions: ①Is Mark Twain his real name?Ifnot,what is his real name? ②What did he do when he worked on the steamboat? ③What did he do after that? ④What reputation did Mark Twin eam? (3)Careful reading Ask students to read the passage carefully and fulfill the following paragraph: Mark Twain is actually a______ name,which means that______ .He lived an______ life.He left school early to______ in South America,but in Orleans he had______ and found no boat to Amazon,so he works on______ River as a______ on a steamboat.After that he became a______ to write______ , whose______ established him a great reputation. Before showing the answer,invite a few students to read their completed paragraph,others can check against theirs. (Justification:Fast reading can help students grasp the main idea and specific information of the passage. Careful reading can deepen students'understanding of the passage.) Step 3 Post-reading(5 minutes) Ask students to work in pairs to discuss the following questions: ①Why do the lives of writers resemble the lives of characters he creates?How does the resemblance get reflected by Mark Twain? ②Can you summarize the structure of the passage? Ask several students to share their answers.Then ask all ofthem to polish their answers and write down to hand in. (Justification:The first question can develop students'thinking ability,and the second question can help students understand the biographical essay,which is useful for them to do similar writing.)