(
课件网) Build up your vocabulary By the end of this section, you will be able to: discover the meaning of words, and then examine how they are used in context; understand and practise the use of the roots of English words with the vocabulary from the text; understand and practise words in context. Learning objectives Review the story of how artemisinin was discovered by using the words below. boil, liquid, extract, substance, conclude, committed, acknowledge, objective, crucial, apparently, obtain, insist Lead-in Review the words and expressions in Reading and Thinking part. 1. _____ / _____ adj. 至关重要的 2. commit vt. _____ vi. _____ →_____ adj. _____ →_____ n. _____ 3. distinct adj. _____ →_____ n. _____ 4. _____ 普遍认为 5. apparently adv. _____ 6. objective n. _____ adj. _____ 7. _____ n. 性质；特征；财产→（复数）_____ 8. _____ vt. & vi. （使）沸腾；煮开；烧开 n. 沸腾；沸点 9. _____ n. 液体 adj. 液体的；液态的 10. substance n. _____ 11. _____ 坚决要求 vital crucial 承诺；保证 忠于；全心全意投入（工作、活动等） committed 尽心尽力的；坚定的；坚信的 commitment 承诺；奉献 清晰的；清楚的；有区别的 distinction 差别；区分；优秀；特质 It is widely/generally acknowledged that 显而易见；看来；显然 目标；目的 客观的 property properties boil liquid 物质；物品；事实依据 insist on _____ cook something in very hot water _____ relating to plants _____ qualities or characteristics of something _____ a kind of substance that flows freely, such as water or milk _____ physical material that exists Practice Write down the word that matches each definition. Then find the sentences containing these words in the text. boil botanical properties liquid substance They then tried boiling fresh wormwood ... but this did not work either. In 1969, she ... to find traditional botanical treatments for the disease. Her team examined ... for their medical properties. They then tried ... using the liquid obtained from this to treat malaria, ... Using a lower temperature to draw out the extract, she found a substance that worked. The two flowers are quite distinct from one another, so it is easy to make a _____ between them. Scientists need to _____ how the new material stands up to wear and tear to prove how valuable it is. A talented scientist well known for his _____ to his country, Huang Danian committed himself to his research in geophysics. A: Did you come to any conclusions B: Yes, we _____ that by drawing out the extract at a low temperature, we could find the substance that we needed to complete the experiment. She spends a lot of time _____ her patients’ dreams. This analysis is very helpful, explaining their daily behaviour very well. Guess the meaning of the underlined words. Then fill in the blanks with words that have the same roots. distinction evaluate commitment concluded analysing （正常使用造成的）磨损；损耗 黄大年：国际知名战略科学家、中国著名的地球物理学家；当选感动中国2017年度人物；被授予“时代 ... ...
