20.(Para. 10)flaw: n. a mistake, mark, or weakness that makes sth imperfect a design flaw caused the engine to explode 插入图片faw) A flaw in the crystal caused it to shatter. Pattern flaw in CF: flaw& defect 这两个名词均有“缺陷”之意。 faw表示存在或出现瑕疵,使某物不完美。例如 The flaw in the weapon was its inability to fire rapidly The length of her white gloves was the only flaw in her appearance defect常常表示一个缺陷非常严重,以致完全妨碍了某种功能的发挥。例如: a defect in the fuel lines prevented the missile from blasting off. 21.(Para. 13)at peace (with a situation in which there is no war or fighting The country is at peace with its neighbours for the first time in years 22. (Para. 14)nurture: V help a plan, idea, feeling, etc to develop It is important to nurture potential in your employees. (插入声音文件 nurture)(插入图片 nurture) (Reading aloud nurtures the love of books in children 23.(Para. 15)alternative: n. an alternative idea, plan etc is different from the one you have and can be used instead We have no alternative but to go on (=除了继续下去,我们没有别的选择。) There was no other alternative but to fight till the victory CF: choice, alternative option 这三个名词均有“选择”之意 choice指从几样东西中选择,强调选择的自由度。例如 New stocks have just arrived, so the shop now has a large choice of goods The blue one is my choice8 20. (Para. 10) flaw: n. a mistake, mark, or weakness that makes sth. imperfect A design flaw caused the engine to explode. (插入图片 flaw) A flaw in the crystal caused it to shatter. Pattern: flaw in CF: flaw & defect 这两个名词均有“缺陷”之意。 flaw 表示存在或出现瑕疵，使某物不完美。例如: The flaw in the weapon was its inability to fire rapidly. The length of her white gloves was the only flaw in her appearance. defect 常常表示一个缺陷非常严重，以致完全妨碍了某种功能的发挥。例如: A defect in the fuel lines prevented the missile from blasting off. 21. (Para. 13) at peace (with): a situation in which there is no war or fighting The country is at peace with its neighbours for the first time in years. 22. (Para. 14) nurture: v. help a plan, idea, feeling, etc. to develop It is important to nurture potential in your employees. （插入声音文件 nurture）（插入图片 nurture） (=Reading aloud nurtures the love of books in children.) 23. (Para.15)alternative: n. an alternative idea, plan etc is different from the one you have and can be used instead We have no alternative but to go on. (=除了继续下去，我们没有别的选择。) There was no other alternative but to fight till the victory. CF: choice, alternative & option 这三个名词均有“选择”之意。 choice 指从几样东西中选择，强调选择的自由度。例如: New stocks have just arrived, so the shop now has a large choice of goods. The blue one is my choice