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课件网) Unit 1 Learning about Language Build up Your Vocabulary & Discover Useful Structure 册 别：选择性必修1 学 科：高中英语（人教版） Build up Your Vocabulary Revision: How was artemisinin discovered 1 _____ cook something in very hot water. 2 _____ relating to plants 3 _____ qualities or characteristics of something 4 _____ a kind of substance that flows freely, such as water or milk 5 _____ physical material that exists boil liquid extract substance artemisinin conclude committed acknowledge objective crucial apparently obtain insist boil botanical property liquid substance Task1: Write down the word that matches each definition. Then find the sentences containing these words in the text. Revision: Learn new words in context. Tu Youyou and her team first tried _____ sweet wormwood and used the _____ obtained, only to find it didn’t work since its medical _____ were destroyed. It was not until she used a lower temperature that the _____ named artemisinin, a _____ treatment for malaria, was successfully extracted. Task 2: Fill in the blanks with the words used in Task 1. boiling liquid properties substance botanical 1. The two flowers are quite distinct from one another, so it is easy to make a _____ between them. 2. Scientists need to _____ how the new material stands up to wear and tear to prove how valuable it is. 3. A talented scientist well known for his _____ to his country, Huang Danian committed himself to his research in geophysics. 4. 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. 5. She spends a lot of time _____ her patients’ dreams. This analysis is very helpful, explaining their daily behaviour very well. Task 3: Guess the meaning of the underlined words. Then fill in the blanks with words that have the same roots. distinction evaluate commitment concluded analyzing derivative Lu Xun, _____ as one of the greatest modern writers in China, was born in Shaoxing, Zhejiang Province in 1881. In 1904, he went to Japan and became a medical student, with the _____ of improving people’s health and saving lives. However, he changed his mind when he saw in a photo a Chinese man about to be killed by a Japanese soldier. It struck him that the other Chinese men in the photo _____ did not care about what was happening to their fellow countrymen. From this, he concluded that the _____ problem in China was not physical illness, but the spiritual illness of people at that time. Following this, he quit medical school. When he returned to China in 1908, he _____ a teaching job. In 1917, a friend _____ that he help write for a magazine called New Youth. That was how his first famous short story A Madman’s Diary got published Task 4: Read the passage about Lu Xun. Fill in the blanks with the correct forms of the words in the box. insist obtain objective apparently ... ...
