(2.4.3)李焕英语必修2第4单元第3课时文档.docVIP

Book 2 Unit 4 Period 3: Language Points（第3课时） 【创设情景 引入新知】 What do you think of these animals What happened to them? They are cute ,rare ,precious. They are national treasure. But … 【知识精讲】 知识详解 1.contain　vt.　包含；容纳；克制(强烈的感情等)；抑制 (P26)It contains a powerful drug which affects mosquitoes. 它含有一种强效的药物可以防止蚊虫叮咬。 The Chinese diet contains a lot of fruit and green vegetables. 中国的饮食包括很多水果和绿色蔬菜。 I found it more and more difficult to contain my anger. 我发现越来越难控制自己的愤怒。 The hall can contain/hold/seat/admit 3,000 people. 这个大厅可以容纳3000人。 [例句探源] 【详解】[易混辨析]　 include，contain (1)include包括，侧重被包含者只是整体中的一部分。 (2)contain包括，侧重“整体内有”，指在某一范围或容器内能容纳某物。不用于进行时态。 Our six-city tour included a visit to London. ②The container contains many kinds of fruits，including apples/apples included. 1．Little Johnny felt the bag，curious to know what it____________. A．collected　　　　B．containedC．loaded D．saved 解析：选B。句意：小约翰尼摸了一下袋子，非常好奇地想知道里面装着什么东西。collect“收集，搜集”；contain“含有，装有”；load“装载”；save“节省”。由句意可知选B。 2.mercy　n．　仁慈；宽恕；怜悯 Farmers hunted us without mercy. 农民们毫不留情地捕杀我们。 【详解】at the mercy of sb/sth任由某人[某事物]摆布或控制 have mercy on / upon对……有怜悯心 [例句] He went down on his knees and begged for mercy. 他跪下来，乞求宽恕。 Having lost engine power，the boat’s crew found themselves at the mercy of the wind. 在失去引擎动力之后，船员们发现他们只能任凭风力摆布了。 )It’s a mercy she wasn’t seriously hurt. 幸运的是她伤势不重。She is a kind-hearted woman and often has ________ mercy ________ people who are in trouble. A．a；on　　　　B．/；onC．a；to D．/；to 解析：选B。have mercy on...为固定结构。 3.affect　vt.　影响；感动；(疾病)侵袭 (P26)It contains a powerful drug which affects mosquitoes. 它含有一种强效的药物可以防止蚊虫叮咬。 [例句] The south of the country was worst affected by the drought. 该国南方旱情最严重。 Your opinion will not affect my decision. 你的意见不会影响我的决定。 They were deeply affected by the news of her death. 她死亡的消息使他们唏嘘不已。 Television has an effect on young people，which many teachers worry about. 电视对年轻人有影响，这使许多老师很担心。 With the government’s aid，those __________ by the earthquake have moved to the new settlements. A．affect　　　　B．affec