河北省沧州市颐和中学高中英语 Unit 4 Wildlife Protection 背诵学案 新人教版必修 21. wildlife [U]野生动植物2. protect (vt.) --- protection (n.) 保护 in … 在…方面减少 3. decrease from … to … 从…减少到… eg. The number of the students decreases from 65 to 63. to … 减少到 eg. The number of the students decreases to 63. by … 减少了 eg. The number of the students decreased by 2.4. endanger (vt. ) 危害,使受到危险 ---endangered (adj.) 濒临灭绝的--- danger (n.危险)--- dan gerous (adj. 危险的) --- safety (n. 安全) --- safe (adj. 安全的)5. die out (动植物)灭绝; (风俗、传统等) 消失---- die away / die down (light; wind; sound…)逐渐减弱,强调过程---- die off 相继死去----die of (内因) 死于…---- die off (外因) 死于… He responded to my help with a smile. 他以微笑回应我的帮助。6. a distant relative 远亲 7.in the distance 在远方8.to my relief 令我欣慰的是9. He smiled in relief.10. What a relief! 这下可放心了! 可算松了口气!【合作探究】1. The newspaper decreased in size, but not in quality. __________________________________2. Many old customs have died out because they are out of date. ________________________3. He’ll try his best to make up for the loss. ___________________________________________4. She left him for a certain reason. __________________________________________________5. They had to watch their children die off because of lack of food. _________________________6. The cover protects the machine from dust. ___________________________________________ 1