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, surprise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 period: 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.我的丈夫每年都种不同的蔬菜。vary from…to… 由…到…不等； 从…变为… These fish vary in price from £3 to £5.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 plants 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. It’s so hot, you start s______ the minute you walk outside.3. He caught the u______ opportunity and succeeded.tremblesweatingunique4. I was a______ about the children when they didn’t 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. It’s natural that there is a ______ (diverse) of opinions within the organization.3. There is growing public ______ (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 can’t 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
