人教必修二 Unit 4 Warming up(共63张PPT).ppt

* * * * * * 《英语学习辅导报》出品 《英语学习辅导报》出品 * * 《英语学习辅导报》出品 《英语学习辅导报》出品 South China tiger Problem Too much hunting in the 1950s One habitat in China Baishanzu Nationsl Natural Protection Zone, Zhejiang Province Number before concern Very few Number after concern about 30-40 remain after being left in peace with no hunting What can we do to help endangered animals? protect their habitats and create new ones set up nature reserves or natural protection area(自然保护区) protect the environment limit hunting stop buying clothes made of their furs ask people to protect wildlife 1. threaten vt. 1) 恐吓; 威胁 threaten +n.+with+n. 以...恐吓... The robber threatened me with a gun. threaten to do 恐吓说要... He threatened to make the photo public. 2) 迫近 A typhoon was threatening. threat n. threatening adj. 恐吓的, 威胁的 2. decrease vt./vi./n. 减少, 使变小或变少 The membership decreased to 150. He decreased the speed of his car. on the decrease 在减少中 decrease to 减少到 decrease by 减少了 decreasing adj. 减少中的, 在递减的 3. as a result (of sth): 作为…的结果; 因此; 由于 e.g. I was very busy. As a result, I couldn’t take care of her. as a result of + 名词 “由于…” As a result of the earthquake, a lot of people lost their homes. 由于地震, 许多人失去了家园。 result from… 起因于… result in … 结果为…, 导致… The terrible accident _____________ his careless. 2) His careless __________ the terrible accident. resulted from resulted in 3) His carelessness ____ the terrible accident. A. resulted from B. resulted in C. as a result of D. as a result 4) Tom was very sick, ____ he could not eat or sleep. A. as a result B. after all C. anyway D. however 5) The car accident _____ the driver’s carelessness. A. resulted in B. resulted of C. resulted from D. result for A C B 4. die out: 1) Elephants would die out soon if men were allowed to shoot as m