仁爱版英语九年级Unit 2 Topic 2知识点.doc

PAGE 3 PAGE 3 Unit 2 Topic 2（Grade Nine） Ⅰ、词组及用法 1、blow strongly 风猛吹 　 rain heavily 下大雨 2、blow away 吹走 3、wash away 冲走 4、cut down 砍伐，缩短 cut in 插嘴，打断（说话） 　 cut off 切断（电源，水）；中断 　 cut out 剪下；删去 　 cut up 切碎 　　注意：动副结构，代词必须放中间，且用宾格。 eg. cut down the trees＝cut the trees down cut it/them down 5、as a result 结果 as a result of… 由于… 　 eg. As a result，he passed the exam. 　　　As a result of careless，she didn’t pass the exam. 6、change/turn…，into… 把…变成… 7、stop/prevent/keep…from sth/doing sth 阻止（做）某事 eg. Trees can stop/prevent/keep the water from washing the earth away. 8、save用法 （1）贮存、保存 eg. Forests can save a lot of water. 　　　Save sb sth＝save sth for sb 为某人保留… （2）节省、节约，避免（金钱、时间等）浪费 eg. We should save time. （3）救，挽救 eg. save one’s life 挽救某人的命 He saved his friend’s life in the accident. 9、in danger 处在危险中 　 in danger of… 处在…的危险中 10、die out 灭绝 eg. Some animals are in danger of dying out. 11、come to …想到，意识到，总计，总共 eg. The good idea comes to him in a flash. 　 他灵机一动，计上心来. That comes to 23 yuan, madam. 总共23元，夫人. 12、the importance of… …的重要性 eg. Many people have come to understand/realize the importance of planting 　　　 trees. 13、sth says that… 用“文字，数字”表达信息（主语，是事或物） eg. It says in the newspaper that pollution is still a serious problem. 　　　The newspaper says that pollution is still a serious problem. It’s said that… 据说… 　　　It’s reported that… 据报道… 　　　It’s well known that… 众所周知… 　　　It’s believed that… 人们相信… 14、here and there＝everywhere 到处 15、worst of all 最糟糕的是 16、in the beginning 指一件事的初期 17、take away 拿走，取走，带走 18、escape sth/doing sth 　 eg. He is very lazy. He often escapes the study. The man escaped doing the work. escape…from… 从…逃脱 eg. The boy escaped successfully from that big fire.　　　 19、refer to sth/sb 谈及/提到/涉及某人或某事 20、seem用法 　（1）It seems that+从句 eg. It seems that their living conditions are very good. （2）主语+seem to do sth eg. She seems to pass the test. （3）主语+seem+形容词 eg. He seems very happy. 21、protect/destroy the environme