内容正文:
Section B Using language
学习目标
1、学会本节单词、短语。
2、学会本节语法。
知识运用
1. in one's own words ____________________
2.do research _______________在……方面进行研究
3. in the end____________________
4. make important discoveries____________________
5. declare extinct____________________
6. be blamed ________sb.归咎于某人
7.live_________ isolation生活在与世隔绝的环境中
8. the population____________________人口数量下降
9. ____________________对……有害
10. immune systems____________________
11. fight _________ 击退;抵抗
12. That's _____________! =That's unbelievable! 令人难以置信!
13. _____________the level of在……层次/层面/水平上
14. consist __________ =be made up of 由……组成
15. the majority of _____________________
16. hear_________________听说……
hear_________________收到……的来信
17. make one's stomach turn_____________________
18. speaking of_____________________
19. _____________________处理,应付
20. break ______________分解
21. _____________________是……的家园
22. _____________________数百万的……
23. _____________________相比之下,对比之下
24. so far_____________________
25. ________