Unit 2 Section B Using Language 课件-高中英语外研版（2019）必修第三册

1、Section BUsing Language1. extendextend for/into/over 延续extend sth. for/by/until 把延长至extend sth. to sb./sth. 把扩大到extend sth. to sb. 提供/给予某人某事物练习：尼罗河一直往南延伸至维多利亚湖。The River Nile _ south as Lake Victoria. extends as farVocabulary 2. sensitivebe sensitive to 对敏感的练习：这位作家对别人的批评很敏感。The writer is sensitive t

2、o others criticism.3. generous be generous to sb. 对某人是慷慨的be generous with sth. 在某方面是慷慨的be generous in doing sth. 慷慨地做某事generously adv. 慷慨地；大方地generosity n. 慷慨；大方；宽宏大量练习：Hopefully, leaders worldwide will recognize the tough situation and contribution _ (generous) to control the locust (蝗虫) outbreak.g

3、enerosity4. hesitatehesitate to do sth. 犹豫做某事hesitate about/over sth. 对某事犹豫不决hesitate (about) + wh-从句/ wh-+ to do sth. 对犹豫不决hesitant adj. 犹豫的hesitation n. 犹豫；踌躇without hesitation 毫不犹豫have no hesitation in doing sth. 毫不犹豫做某事do sth. without hesitation 毫不犹豫做某事练习：The help you give to others will be paid

4、 back, so never hesitate _ (offer) a helping hand whenever someone needs help.to offer5. confirmationconfirm vt. （尤指提供证据来）证实，证明，确认；使确信；批准，认可confirm sth./that /wh-从句 证明/表明/确认be confirmed 被证实/被证明It is confirmed that 据证实be confirmed (as) （的身份/职位/协议）被认可练习：Im still waiting for _ (confirm) of the test res

5、ults.confirmationLeading ina . Ryan had trouble believing the words spoken by his teacher.b In Uganda, Ryan at last saw the finished well with his own eyes.1. What was spoken in sentence (a)? What was finished in sentence (b)?The words were spoken in sentence (a). The well was finished in sentence (

6、b).2. Why does the author use -ed instead of -ing?Because the words were spoken instead of speaking, and the well was finished instead of finishing. The words in bold show passive instead of active actions.c . Ryan had trouble believing the words which were spoken by his teacherd In Uganda, Ryan at

7、last saw the well, which was finished, with his own eyes.3. What is the difference between the two groups of sentences?Sentences (a) and (b) contain -ed as attributive while sentences (c) and (d) contain attributive clauses.4. Why does the author choose to use -ed instead of an attributive clause in

8、 the reading passage?The sentences using -ed as attributive are more concise and formal.Sum up the usage of v-ed as attributive.（1）We must adapt our thinking to the changed conditions.（2）The retired man was very interested in painting.（3）Please remember all the information mentioned above.（4）Nothing

9、 reported in the newspaper interested him.过去分词作定语1.一般情况下，单个的过去分词作前置定语，即放在所修饰词之前。The polluted water was to blame for the spread of the disease.被污染的水造成了这次疾病的传播。The recovered animals will be released soon. 痊愈的动物很快会被放走。一、过去分词作定语时的位置注意：（1）有些过去分词表示特定含义时，单独作定语要放在所修饰的名词之后，如left（剩余的）。There were a couple of s

10、eats left at the back. 后面还剩几个位子。（2）如果被修饰的词是指示代词 those 或 something，everything，anything，nothing， nobody等不定代词时，单个的过去分词作定语要放在这些词的后面。He is one of those invited. 他是那些被邀请的人之一。Is there anything unsolved? 还有什么没解决的吗？2.过去分词短语作定语时往往作后置定语，即放在所修饰词之后。These trucks carry goods imported from foreign countries. 这些卡车运送

11、从国外进口的货物。Is this the novel written by Henry James?这是亨利詹姆斯写的小说吗？1.及物动词的过去分词作定语时，在语态上表示被动；在时间过去分词作定语时的意义上，常表示动作已经发生或完成。有时只表示被动。He is a teacher respected by all the students. 他是一位受所有学生尊敬的老师。（只表示被动）The plan put forward at the meeting will be carried out soon. 会上提出的计划将很快被执行。（表示被动和完成）二、过去分词作定语时的意义2.不及物动词的

12、过去分词作定语时，不表示被动意义，只强调动作完成。The risen sun is shining brightly in the morning. 早晨，升起的太阳明亮地照耀着。When I woke up the next morning, I found the ground was covered with fallen leaves. 当我第二天早上醒来时，发现地上全是落叶。练习：Today I tried cooking a simple dish myself. I like eating _ (fry) tomatoes with eggs, and I thought it

13、must be easy to cook. fried三、过去分词与现在分词作定语的区别语态意义时态意义过去分词被动已完成现在分词主动正在进行四、过去分词、现在分词的被动式与动词不定式作定语的区别形式语态意义时态意义过去分词done被动已完成现在分词的被动式being done被动正在进行动词不定式的被动式to be done被动尚未发生The building built last year is our library. 去年建造的那栋楼是我们的图书馆。The building being built now is our library. 现在正在建造的那栋楼是我们的图书馆。The bu

14、ilding to be built next month is our library. 下个月将要建造的那栋楼是我们的图书馆。练习：Jim has retired, but he still remembers the happy time _ (spend) with his students.spentRyan is a young man who is admired by a lot of People.Ryan is a young man admired by a lot of people. The money which is raised by his foundatio

15、n supports schools and communities in Africa. The money raised by his foundation supports schools and communities in Africa.As in the words which were spoken by Ryan, we need to not only donate money but also get new ideas. As in the words spoken by Ryan, we need to not only donate money but also ge

16、t new ideas.I think the support which is needed includes new technology for recycling water and education on how to use and save water.I think the support needed includes new technology for recycling water and education on how to use and save water.Activity 2 The United Nations Childrens Fund, also

17、knowing / known as UNICEF, is a United Nations (UN) organisation basing / based in New York. It offers help needing/needed by children all over the world. UNICEF was founded on 11 December 1946, to provide food and healthcare to children in countries damaging /damaged in World War Il. Since 1953, UN

18、ICEF has taken up an extended mission to help children in the developing /developed world, including those living / lived with diseases or disabilities, and those affecting /affected by rapid modernisation and environmental problems. Now, UNICEF has been working to improve the lives of children and their families across 190 countries and territories.Activity 3known; based; needed; damaged; developing; living; affectedActivity 4Read the descriptions and u