外研版Book3module4Languagepoints

1、Language Points 1.1. Present ( Present ( 呈现）呈现）your task of the language your task of the language points and explain them.points and explain them. 2.2. Learn their uses further(Learn their uses further(进一步）进一步）. . 3.3. Practise the language points of the reading.Practise the language points of the

2、reading. Teaching aims1. 展示时，字迹要清晰，一目了然。2. 讲解时，声音要洪亮，思路要清晰。3. 在某组某同学展示过程中，其他同学认真听，作好记录。Show your achievements and report them 成果展示内容成果展示内容展示小组展示小组 得分得分讲解小组讲解小组 得分得分1. majorgroup4group42. massgroup5group53. so thatgroup6group64. be caught ingroup3group35. appeargroup9group96. wake up togroup8group87.

3、 make it difficult to seegroup1group18. strengthgroup7group79.preventdoinggroup2group2查缺补漏查缺补漏 巩固提高巩固提高1. Sandstorms have been a major disaster for many Asian countries for centuries.major adj. 重大的，较大的，主要的重大的，较大的，主要的a major problem v. (在大学在大学)主修主修 n. 主修某专业的学生主修某专业的学生major in sth. 主修主修Shes a history

4、.她是历史专业的学生。major mass adj. 大量的，大规模的，大众的大量的，大规模的，大众的 n. 团块，堆；众多，大量团块，堆；众多，大量 2. A mass campaign has been started to help solve it.masses of informationa mass of books大量的信息大量的信息大堆书大堆书masses of =a mass of =lots of 许多，大量，可修饰可数或不数名词许多，大量，可修饰可数或不数名词查缺补漏查缺补漏 巩固提高巩固提高查缺补漏查缺补漏 巩固提高巩固提高 He has _ letters to an

5、swer. He has to work from morning to night.Amuch Bmasses of Cthe number of活学活用查缺补漏查缺补漏 巩固提高巩固提高3. They are often so thick that you cannot see the sun，and the wind is sometimes strong enough to move sand dunes.He is _ a careless boy that he has made _ many mistakes in the exams.Asuch；such Bso；suchCso

6、；so Dsuch；so活学活用Its so cold today _ the water has frozen. A. when B. that C. which D. as tobe caught in 被困于被困于,遇到遇到4. To have been caught in a sandstorm was a terrible experience.动词不定式作主语动词不定式作主语查缺补漏查缺补漏 巩固提高巩固提高be caught in the heavy rain/snowstorms/sandstorms突然遭到大雨/暴风雪/沙尘暴 be trapped inbe stuck in

7、【知识拓展】被被困住困住5. Sandstorms in China appear to have increased in recent years as a result of “desertification”.活学活用句中的句中的to have increased为不定式的完成式结构，为不定式的完成式结构，表示发生在系动词表示发生在系动词appear之前。之前。查缺补漏查缺补漏 巩固提高巩固提高Do let your mother know all the truth. She appears everything.A. to tell B. to be told B. C. to b

8、e telling D. to have been told6. The storms sometimes continue all day and traffic moves very slowly because the thick dust makes it difficult to see. 查缺补漏查缺补漏 巩固提高巩固提高We found it difficult to get along with him.我们发现与他相处很难。我们发现与他相处很难。make/find/think/feel + it (形式宾语形式宾语) +adj.(宾语补足语宾语补足语) +to (宾语宾语)T

9、he chairman thought _ necessary toinvite Professor Smith to speak at the meeting. A. that B. it C. this D. him查缺补漏查缺补漏 巩固提高巩固提高活学活用strength have the strength to do 有做有做的力的力气气 /意志力意志力strengthen v.加强加强build up ones strength/body强身健体强身健体Bill was doing a lot of physical exercise to build up his _.Aabili

10、ty B mind Cstrength 活学活用strong adj. 强壮的强壮的Im sorry to keep you waiting so long. prevent sb. (from) doing sth. stop sb. ( from) doing sth.keep sb. from doing sth. 阻止某人做某事阻止某人做某事很抱歉让你等这么久。很抱歉让你等这么久。To prevent it coming nearer, the government is planting trees.查缺补漏查缺补漏 巩固提高巩固提高提示：提示：(1)在被动句中在被动句中 from

11、均不能省略。如：均不能省略。如：We were stopped/prevented/kept from going out by the heavy rain. 大雨使我们无法外出。大雨使我们无法外出。1“_a sandstorm was a terrible experience，”he said.他他说：说：“遭遇沙尘暴是一次可怕的经历。遭遇沙尘暴是一次可怕的经历。”2The storms sometimes continue all day and traffic moves very slowly because the thick dust_.暴风有时持续一整天，车辆开得很慢，因为浓

12、浓的暴风有时持续一整天，车辆开得很慢，因为浓浓的尘埃降低了能见度。尘埃降低了能见度。3_，the government is planting trees.为了为了阻止它逼近，政府正在植树。阻止它逼近，政府正在植树。To have been caught inmakes it difficult to seeTo prevent it coming nearer回扣课文，背诵句子回扣课文，背诵句子Discussing & thinking回扣课本回扣课本1. Sandstorms have been a （主要的主要的）disaster for many Asian countries for

13、 centuries. 2. A (大规模的大规模的) campaign has been started to help solve it.3. They are often thick （如此（如此以至于）以至于） you cannot see the sun，and the wind is sometimes strong enough to move sand dunes.majormajormassmasssosothatthat回扣课本回扣课本4. （被困于被困于） a sandstorm was a terrible experience.5. Sandstorms in Chi

14、na appear （已经增加已经增加）in recent years as a result of “desertification”.6.Citizens (意识到，发觉意识到，发觉) an orange sky and strong winds that cover the city in a dark brown-yellow dust.To have been caught inTo have been caught into have increased to have increased wake up towake up to回扣课本回扣课本7.The storms somet

15、imes continue all day and traffic moves very slowly because the thick dust （很难看清很难看清）.8. The Chinese Central Weather Station can (预报预报) a sandstorm some weeks before it arrives in Beijing, but the (力气力气) of the storm sometimes surprises people.makes it difficult to seeforecaststrength回扣课本回扣课本9. (为了阻

16、止它逼近为了阻止它逼近), the government is planting trees.10. When a sandstorm arrives in the city, weather experts (建议人们不要出去建议人们不要出去).To prevent it coming neareradvise people not to go out几个世纪以来几个世纪以来突然遭遇突然遭遇在在这种形式下这种形式下砍伐砍伐, 砍倒砍倒挖出挖出be caught in for centuries in this situationcut down dig up课文短语翻译课文短语翻译 的结果的结果苏醒过来苏醒过来建议某人干某事建议某人干某事阻止某人干某事阻止某人干某事advise sb. to do sth prevent sb (from) doing sth.wake up to as a result of 课文短语翻译课文短语翻译Do the exercises on the paper 1.1. Remember the languag