牛津译林版（2019）选择性必修 第三册Unit 2 Out of this world Reading (II) 教学设计

Unit 2 Out of this world
Reading (II)（教学设计）
I. Learning objectives
By the end of the lesson, students will be able to:
1. understand the usage of the following words: absence, occupy, evaluate, maintenance, exposure, visible;
2. use the the above words in new situations;
3. analyse some complex sentences in the text.
II. Key competence focus
1. Grasp and apply the skill of word family.
2. Understand the text precisely.
III. Predicted area of difficulty
1. Use the the above words in new situations.
2. Understand some complex sentences in the text.
IV. Teaching procedures
Step 1 Learning the word family
1. T asks Ss to finish B2.
T: The lecture transcript uses many words created from the same root plete the table with words from the same word family. Then try to think of more word families.
2. T asks Ss to fill in the blanks with the proper forms of the above words.
(1) Health education wisdom in the UK ________ from that of the United States.
(2) For the more ________ tourists, there are trips into the mountains with a local guide.
(3) Generally speaking, giving is much ________ than receiving in the long term.
(4) ________ of all words in this dictionary are printed in roman type.
(5) He concluded from their ________ that they were not in favour of the plan.
【设计意图：此项是本单元的一项重要学习策略：word family（word formation），教师引导学生运用和练习。】
Step 2 Building core vocabulary
1. T presents the core words and studies them together with Ss.
(1) absence
absence n. being away absentee n. person who isn’t present
absence n. absent adj. absently adv. absentee n. absent-minded adj. absent-mindedly adv. absent-mindedness n.
(2) occupy
occupy v. 1) to fill or use a space, an area or an amount of time 2) to live or work in a room, house or building 3) to enter a place in a large group and take control of it, especially by military force 4) to fill your time or keep you busy doing sth occupied adj. 1) being used by sb 2) busy occupation n. 1) the act of moving into a country, town, etc. and taking control of it using military force; the period of time during which a country, town, etc. is controlled in this way 2) a job or profession
occupy v. occupied adj. occupation n.
occupy oneself (in doing sth/with sth); be occupied in doing sth (with sth )
(3) evaluate
evaluate v. to form an opinion of the amount, value or quality of sth after thinking about it carefully invaluable adj. extremely useful valueless adj. without value or worth
value v. evaluate v. evaluation n. value v. valuable adj. invaluable adj., valueless adj.
(4) maintenance
maintenance n. 1) the act of keeping sth in good condition by checking or repairing it regularly 2) the act of making a state or situation continue
maintain v. maintenance n.
(5) exposure
exposure n. 1) the state of being in a place or situation where there is no protection from sth harmful or unpleasant 2) the state of having the true facts about sb/sth told after they have been hidden because they are bad, immoral or illegal 3) the fact of being discussed or mentioned on television, in newspapers, etc.
expose v. exposed adj. exposure n.
ex- exit n.；exist v.；expose v.；explode v.；export v.；explore v.；expand v.
(6) visible
visible adj. 1) that can be seen 2) that is obvious enough to be noticed
visible adj. visibly adv. visibility n. visible adj. invisible adj. invisibly adv. invisibility n.
2. T asks Ss to fill in the blanks with the proper forms of the given words.
(1) They took in poor-graded students and graduated them on lower marks, so the degree became ________ (value).
(2) The weather was at its worst with heavy fog that gave minimum ________ (visible).
(3) The most important thing to be happy for the old is to keep them ________ (occupy).
(4) Only by keeping down costs will this country ________ (maintenance) its competitive advantage over other countries.
(5) His ________ (absent-minded) during the experiment nearly caused an explosion of the chemical.
(6) We need to have a proper ________ (evaluate) of the new system before it is carried out.
(7) Strangely enough, patterns that are ________ (visible) on the ground can be the most striking part of an aerial photograph.
(8) Please state your name, age and ________ (occupy) below.
(9) He stared ________ (absent) into the darkness outside the train window, a glowing cigarette between his fingers.
(10) We are ________ (exposure) to an overwhelming number of chemical contaminants every day in our air, water and food.
【设计意图：结合B2的词汇技能来学习核心词汇，一举两得。】
Step 3 Doing exercise B1
T asks Ss to finish exercise B1 within five minutes.
【设计意图：通过文本填空给学生提供更为丰富的语境，并巩固所学。】
Step 4 Understanding the complex sentences
T asks Ss to understand some complex sentences.
T: Due to the length and complex grammatical structure, some sentences in the text are hard to cope with. However, if you can find out the main body of the sentence, it will be much easier for you to understand the whole sentence. Now let’s try some sentences.
1. It’s strange that we try to sleep with no pressure against our back, but the unusual beds don’t bother us any more. (para. 2)
2. With so much going on, the space station needs a lot of maintenance, so we constantly check support systems and do some cleaning. (para. 3)
3. Splendid as the view of the Earth is, spacewalking is not as exciting as you might think. (para. 4)
4. Considering these negative effects low gravity has on the human body, we discipline ourselves to do at least two hours of exercise every day. (para. 6)
【设计意图：长句是影响阅读质量的原因之一，长句语法结构复杂，但抽出句子主干，句子就容易理解了，此节指在提高学生阅读长句的技能，也有助于深度理解课文。】
Homework
Revise the core vocabulary and the complex sentences after class.