Unit 1 Science and Scientists Build up your vocabulary 教学设计（表格式）人教版（2019）选择性必修第二册

1250950010261600Teaching and Learning Design
选择性必修Book2 Unit1 Science And Scientists
教学设计
Teaching and learning contents: Learning About Language—Building up your vocabulary
Comprehensive teaching and learning objectives:
By the end of this period, the students will have been able to:
1) Learn about some prefixes and suffixes to expand the students’ word formation knowledge to enlarge their vocabulary;
2) Complete the vocabulary exercises in the textbook to understand the key vocabulary and phrases in the text and learn how to use them correctly in context;
3) Complete the vocabulary exercises in the workbook to consolidate the words and phrases learned in this unit.
Teaching and learning important points:
1. Learn about some prefixes and suffixes;
2. Using the words and expressions correctly and consolidating the usage of some new words and phrases to build up vocabulary.
Teaching and learning difficult points:
1. Learn about some prefixes and suffixes;
2. Using the words and expressions correctly and consolidating the usage of some new words and phrases to build up vocabulary.
Teaching and learning procedure:
Step 1 Review and leading in
Activity 1 Review and leading in
1. Review some of the language items learned in the previous period briefly.
2. Introduce the learning objectives of this period.
Step 2 Learning About Language—Building up your vocabulary
Activity 2 Learning about some prefixes and suffixes
1. Warm up. Guess the meaning of this word—Pneumonoultramicroscopicsilicovolcanoconiosis.
Pneumono + ultra + microscopicsilicovolcanoconiosis
pneumono- (of lung 肺的)，ultra- (to an extreme degree 非常)，micro- (small 微小的)， scopic- (of viewing or observing 观察或注意的)，silico- (of silicon 硅的)，volcano- (mountain that releases lava and ash 火山的)，coni-(of dust尘土的)，-osis (state of a disease 疾病)
pneumoconiosis [nju:m?k?n?'??s?s] n. 肺尘病肺尘病?
2. Review the functions of prefixes and suffixes in word formation (derivation).
3. Learning about some prefixes and suffixes
Find the words from the previous pages with the following prefixes or suffixes. Then add more words for each prefix or suffix, and then try to summarize and explain their meanings, and find out what has been changed.
Affix/Change
Words
Meaning
Prefix
(to change the meaning)
re-
remove, replace, reuse + reunite, revise, recover, react, recall
again
dis-
discover, disappear, disable+ dislike, disadvantage, discount
not
micro-
microscope, microwave, microphone + microbial, Microsoft
small
trans-
transform, transport, transplant + transnational, transboundary transgene, transgender
complete change; through, across
Suffix
(to change the part of speech)
-ory
contradictory, advisory, compulsory
of or relating to
-ion
infection, relation, reaction + reflection, contribution, extinction, congratulation, collection, expansion, decision
action or process
-ial
substantial, essential, partial + financial, official, commercial, facial, influential, potential
having the characteristics of
-ology
epidemiology, biology, physiology + sociology, ecology, psychology
a branch of knowledge
Activity 3 Vocabulary exercises in the textbook
1. Make phrases by combining the words in the left box with those on the right. Then complete the sentences using these phrases.
Answers: subscribe to, blame for, suspected of, linked to
2. Replace the underlined parts with suitable words from the box.
Answers: well known—a household name, deal with—handle, not cooked yet—raw, great—substantial,
data—statistics
3. Read this passage about medical science. Complete it using the words below. Check the answers, learn about the new words and then read the passage to reconstruct the text.
Answers: blame, infection, multiple, transform, decrease, substantial, proof, severe
Learn about the new words:
1) thinking n.思想；思维；见解 （思考行为或思考的能力）
thought n. 思想；想法；关心；思索 (思考的结果或产物)
critical thinking 批判性思维 a great thought 一个很棒的想法
2) protein n. 蛋白质
3) cell n.细胞；小房间；单间牢房
4) virus n.病毒
the flu virus 流感病毒 a virus infection 病毒感染a computer virus 电脑病毒。
Step 3 Using Words and Expressions in the Workbook
Activity 4 Using Words and Expressions
Check the answers to the exercises and give some explanations if necessary.
Suggested answers:
Exercise 1:
1. gifted 2. handle 3. solid 4. cast 5. assistant 6. blame 7. decrease 8. missile 9. pure 10. transform
Exercise 3;
gifted, initial, proved, subscribe, linked, astronomers, outstanding, shift
Step 4 Evaluation and summary
Activity 5 Self-evaluation
Guide the students to reflect on their learning of this period by considering the following aspects.
1. How is your mastery of the words and expressions? (Good/Fairly good/Moderate/Just so so/Poor)
2. How is your learning performance? (Good/Fairly good/Moderate/Just so so/Poor)
3. What will you do to consolidate the words and expressions learned in this unit after class?
Activity 6 Summary
(The teacher) Emphasize the usage of some words and phrases of this period briefly.
Homework:
1. Consolidate the words and expressions learned in this unit.
2. Complete the exercises in the reference book.
3. Preview the grammar item by reading the explanations in appendix and in the reference book.