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Unit 4 Never too old to learn
1．The first essay I wrote for my history of English class was perfect，at least from my
perspective(在我看来)．
2．I arranged(v.安排 arrangement n．安排) a meeting to discuss my essay grade and arrived 10
minutes early to meet the teacher’s assistant(n.助手 assist v．帮助 assistance n．帮助)．
①arrange to do sth安排做某事
arrange for sb to do sth安排某人做某事
②make arrangements for为……做出安排
3．Imagine a substance with the ability to heal(v.治愈) any wound almost immediately.
4．Although not yet available in hospitals，this gel is likely to help medical professionals(n.专业
人员 adj.职业的；专业的 profession n．职业) treat patients with serious injuries more
effectively.
5．In effect(实际上；事实上)，we are all part of a real-life experiment.
have an effect on对……有影响
come into effect生效
bring/put...into effect实施；实行
take effect生效；起作用
6．What(引导主语从句) is clear is that nanotechnology has huge potential for shaping(熟词生
义：v.塑造；影响……的发展) our lives in the coming decades.
7．A future where(引导定语从句) insects make up(组成，构成) a large part of the world’s
diet is on the horizon(即将发生，已露端倪)．
8．Animal protein from livestock(家畜)，such as cows，chicken and pigs，takes up(占用，占
据) 80 percent of the entire world’s farmland，despite only making up less than one-fifth of
calories consumed(v.消费；消耗；吃；喝 consumer n．消费者 consumption n．消费；消
耗) globally.
9．Urban areas of Asia，Europe and North America are most likely to associate insects
with(把……和……联系起来) dirt instead of as a tasty meal.
10．But at Udemy，an open university offering online courses，Artist Anneke Camstra is
engaged in(从事；参与) the pursuit(n.追求；事业) of lifelong learning and shows her potential
for teaching.
11．She reaches(熟词生义：v.被……看到或听到) countless people with her online courses andexposes them to(使……接触，体验) what they can accomplish on their own using animation
software，such as GoAnimate and PowToon.
12．Based on the Open University of China，the National University for the Aged is a national
education resource-sharing platform for senior citizens aged 60 or above，whose curriculum
extensively ranges from foreign languages and computer skills to( 范 围 从 … …
到……)photography，cooking and other skills.
