1、Unit 4 Long Life (Part 1)Words to noteAccumulating 5; assigned 8; cocktail 1; contracting 6; controversial 10; dietary supplement 4; formidable 2; miracle 7; mop up 9; overhaul 11; paradox 3Understanding the textPart A: Authors attitude and purpose1. d) Unconvinced2. c) To point out the limitations
2、of genetics in achieving long life.Part B: Comprehending the text1. c) 2.d) 3.c) 4.d) 5.a)Developing your skillsPart A: Recognising the theme of a paragraph: further practiceParagraph 1 : 3. research into why some people live to be very oldParagraph 2 : 1.a gene for long life highly unlikelyParagrap
3、h 3 : 1. aging cannot be preventedParagraph 4 : 2. improving life rather than making it longerParagraph 5 : 1. the protective function of the aging processParagraph 6 : 2. non-genetic factors in aging research Part B: Responding to questions on the textA1 . but specific genes giving protection again
4、st certain diseases may exist.A2. but people who take dietary supplements (especially those which destroy free radical molecules) may feel more energetic.A3. extending the human life span might well lead to serious negative effects.A4. fighting cancer, because proteins which destroy cancer cells als
5、o cause aging.A5. healthy food, low stress and an outdoor lifestyle are best for long life.Extending your vocabularySynonyms and word classesWordsWords from textWord Classbreakthroughnoundramaticallyadverbdietary supplementsnounextendedverbpassivelyadverbcontractingnoun (gerund)eternaladjectiveboostingnoun (gerund)normallyadverbcontroversialadjective
