1、Unit 5 Unit 5The fourth period Teaching methods situational teaching method;cooperative learning method;programmed teaching method;task-based and assessment teaching methods.Teaching aims and demands一、topic:Volcanoes;crater lakes;cyclones;floods二、vocabulary三、functions:Emotions:joy,fear,anxiety,surpr
2、ise四、grammar:Revise the ing formArrangement of teachingthe first period:warming upthe second period:language points of readingthe third period:readingthe fourth period:learning about language and language points of using languagethe fifth period:using languagethe sixth period:grammarthe seventh peri
3、od:exercises 1.Check up Daily ExercisesThe height of the land varies from 700 metres above sea level to over 2,000 meters and is home to a great diversity of plants and animals.这里的地面高度从海拔700米到2,000多米不等，是各种各样的动植物的生长地。Explanationvary v.呈现不同；改变，变化My husband varies the vegetables he plants each year.我的丈
4、夫每年都种不同的蔬菜。vary fromto 由到不等；从变为 These fish vary in price from 3 to5.这些鱼的价格从3镑到5镑不等。Her mood varied from optimism to extreme depression.她的情绪由乐观一变而极为消沉。variety(质量，种类或特征的)变化You need a lot of variety in your diet.你的膳食要多样化。种类，品种different varieties of bananas不同品种的香蕉diversity n.变化多样，多样性(相当variety)The plant
5、s of Asia show a great diversity of form.亚洲的植物形态多种多样。There must be a diversity of opinions.(对此)准是众说纷纭。I.根据下列各句句意及所给单词的首字母或汉语提示，写出各单词的正确形式。1.His lips started to t_ and then he started to cry.2.Its so hot,you start s_ the minute you walk outside.3.He caught the u_ opportunity and succeeded.trembleswea
6、tingunique4.I was a_ about the children when they didnt come back home from school.5.I got into a(n)_(恐慌)when I found the door was locked.anxiouspanicII.用所给词的适当形式填空。1.This river is dangerous to _(bath)in.2.Its natural that there is a _(diverse)of opinions within the organization.3.There is growing p
7、ublic _(anxious)over levels of air pollution in our city.bathediversityanxietyIII.根据括号内的提示将下列句子翻译成英语。1.我们不能保证我们所有的航班都不误点。(guarantee)2.这里的天气时时都在变化。(vary)We cant guarantee that all our flights will never be delayed.The weather here varies from hour to hour.3.他匆匆看了一遍那道题就开始回答了。(glance through)He glanced through the question and began to answer.HomeworkPrepare for reading
