Unit 1 Words and expressions 单词导学案-2022-2023学年高中英语人教版（2019）选择性必修第二册

2022-2023学年度第一学期高二级英语导学案 Book 5 unit 1 第1课时 Words 课前预习案和课中探究案 【自主学习一】听录音，跟读单词。 【自主学习二】根据句子语境,理解句子的意思，掌握词性变化和搭配，并完成练习 1. These policies could cause severe economic and social dislocation. Those responsible for this crime will be severely punished. 2. What frustrates him is that there's too little money to spend on the project. The current situation is very frustrating for us. When things go wrong, all of us naturally feel disappointed and frustrated. I was close to tears with frustration, but I held back. 3. The election proved to be a near disaster for the party. These results are a further proof of his outstanding ability. 4. Anyone with a bad cold may infect the people around him. Those suffering from infectious diseases were separated from the other patients. The risk of infection is appreciably higher among children. 5. These cattle are one of the purest breeds in Britain.  Water can be purified by boiling for five minutes. 6. The price of wheat has decreased by 15%. The population has increased from 1.2 million to 1.8 million.   7. Solar energy can be transformed into power. There was a noticeable transformation in his appearance. 8. The celebrations often have a patriotic mood. He was a country boy who had joined the army out of a sense of patriotism and adventure. 9. She spoke mechanically, as if thinking of something else. The mechanic was wearing a pair of blue overalls. 10. All our officers are trained to defend themselves against knife attacks. The body has natural defence mechanisms to protect it from disease. Troops took up a defensive position around the town. 11. The public is urgently requested to assist police in tracing this man. She offered me practical assistance with my research. She worked as a secretary, or rather, a personal assistant. 12. It vividly tells a real story about contemporary rural life in China. I have a vivid picture of my grandfather smiling down at me when I was very small. 【自主学习三】根据句子语境,理解划线词组(词块)