Unit 5 Revealing nature第二课时 Using languageⅠ.词汇初探1．characteristic n. 特征；特点；品质→character n. 角色；人物2．decline v．衰退；下降；减少3．blame v. 责备；谴责 n. 过失；责备4．primitive adj. 原始的， 低等的5．worldwide adv. 遍及全世界6．giant adj. 巨大的7．tortoise n. 陆龟8．spine n. 刺，刺毛Ⅱ.短语互译1．源于……的；原产于…… be_native_to 2．把……归咎于…… blame...on...3．最后，终于 in_the_end4．尤其地，特别地 in_particular5．抵抗；击退 fight_off6．by contrast 相比之下7．so far 到目前为止8．carry out 实施9．be home to 是……的栖息地 10．be harmful to 对……有害Ⅲ.经典句式 There_is_evidence_that all the different iguanas have developed from more primitive ones and share a common ancestor.(P55)有证据表明，所有不同的鬣蜥都是从更原始的鬣蜥进化而来，并有着共同的祖先。Ⅳ.语法初探——单句语法填空1 ． I had_hoped (hope)to send Peter a gift to congratulate him on his marriage，but I couldn't manage it. 2．When they first came to the city, my parents often went to neighbors for a talk, just as they had_done(do) in the countryside.3．Silk had_become (become) one of the primary goods traded along the Silk Road by about 100 BC.4．She had_changed(change) her hairstyle in her hometown before she came to Chongqing for a better job.5．No sooner had he got (get)home than I told him the inspiring news.6．It was three years since Jack had_been (be)a teacher.1 [教材原句]The extinction of the Pinta Island tortoise is blamed on humans.(P53)平塔岛龟的灭绝归咎于人类。eg.Police are blaming the accident on dangerous driving.警方把事故归咎于危险驾驶。[归纳拓展](1)blame sb./sth.for sth.因某事而责备某人/某事blame sth.on sb.把某事怪到某人头上be to blame (for sth.) (因某事)受到指责(2)take the blame (for) (为……)承担责任lay/put the blame (for sth.) on sb. (把某事)归咎于某人[即时巩固]单句语法...
