Unit 13 We’re trying to save the earth!Tuesday 星期二 (Section A 3a—3c)一、核心词汇cruel ， harmful ， industry ，law ， scientific (Section A 3a—3c)二、重点短语hear of 听说； cut off 砍断； no longer 不再； bring danger to 带来危险； in fact 事实上； (Section A 3a—3c) the number of…… 的数量；in danger 处于危险中； be harmful to 对……有害；at the top of 在……顶部或顶端； the food chain 食物链 (Section A 3a—3c)三、经典句子So far, no scientific studies have shown that shark fins are good for health. 到目前为止，没有科学研究表明，鱼翅对健康有好处。 (Section A 3a—3c)四、基础复现天天练：保护濒危动物 (Section A 3a—3c)题型体裁 词数 难度 建议完成时间正确率短文填空议论文270 words★★★☆☆8 min _____/10 Have you heard of that elephants are the largest animals on land? They have four legs 1. ___________ are very large and look like four big pillars( 柱子 ). They always use the long nose to eat and take 2. ___________ bath. They weigh about ninety kilograms and are about one meter high when they are born. (Section A 3a—3c)Elephants are usually grey in color and they have a 3. ___________ trunk( 象鼻 )with larg①e ivory tusks protruding( 伸出 )from each side of their mouths. For many years ， people have used the strength of these powerful animals to move trees and heavy things. (Section A 3a—3c) 4. ___________ ， with the scientific development ， elephants are in great 5. ___________ nowadays. On the one hand②③ ， people 6. ___________ down trees ， so elephants are losing their homes. On the 7. ___________ hand ， people also kill elephants for their ivory. This is not only cruel ， (Section A 3a—3c)but also 8. ___________ to the environment. It is reported that today the number of eleph④ants left...
