Unit 5 Topic 2 Section D
【学习目标】
1.能背熟本课时重点词汇和短语。
2.能读懂对中国古代四大发明的介绍。
3.通过收集、整理、总结名人信息,学会使用英语生动地描述人物。
【预习导学】
一、生词速查
1. n.发现→ v.发现;暴露;显现; n.发现者
2. adj.东方的;东部的→ n.东方;东部
二、短语速记
1.依靠;依据
2.在……的帮助下
3.据说
4.最……之一
5.被用来做
6.在……末尾
7.被引进
8.扩散到……
三、句子速译
1.指南针被发明之后,海洋就开放航行了。
______________________________________________________________
2.起初,火药是用来做烟花的。
______________________________________________________________
3.During the Western Han dynasty, it was made in some places in China, and was developed in the Eastern Han dynasty by Cai Lun.
______________________________________________________________
4.After the characters were printed on paper, the pieces of clay or wood could be used again.
______________________________________________________________
◎学法指导:通过观察上面的4个句子,你知道这些句子中黑体部分都使用了什么语态吗
四、想一想
预习课本1a,回答下列问题。
1.Who had to depend on the star to find the right direction before the compass was invented
______________________________________________________________
2.What was the gunpowder used for at first
______________________________________________________________
3.Which country is the first one to make paper in the world
______________________________________________________________
4.When was the printing technology developed by Bi Sheng
______________________________________________________________
5.Where did the printing technology spread to later
______________________________________________________________
【答案】
一、
1.discovery discover discoverer
2.eastern east
二、
1.depend on
2.with one's help=with the help of
3.it is said that
4.one of the+最高级+名词复数
5.be used for doing/to do
6.at the end of ...
7.be brought to
8.spread to...
三、
1.After the compass was invented, the oceans were open to sail.
2.At first, the gunpowder was used for making fireworks.
3.西汉时期,中国的一些地方制造纸张;东汉时期,造纸由蔡伦发展起来。
4.(汉字模上的)汉字被印在纸上后,这些小黏土块或木块可被再次使用。
四、
1.Sailors.
2.Gunpowder was used for making fireworks at first.
3.China.
4.The printing technology was developed in the Song dynasty by Bi Sheng.
5.Later the printing technology spread to Korea, Japan and Europe.
【合作探究】
任务驱动一 学前探究
用所给单词的适当形式填空
1.Can you tell me who (invent) the telephone
2.The (invent) of the compass was referred to China.
3.Kongming light was (invent) by Zhu Geliang.It was used to pass the message.
◎学法指导:invent的基本意思为“发明”,强调运用想象力创造出以前从来未有的事物,是及物动词,后接名词或代词作宾语,可用于被动结构。invention的基本意思为“发明;虚构”,是可数名词,作主语或宾语。
任务驱动二 阅读训练
仔细阅读课本1a的内容,回答1b的问题。小组内核对答案。
◎学法指导:在阅读1a之前,可以科普一下中国古代四大发明。
1.How did the sailors find the right direction before the compass was invented
______________________________________________________________
2.When was the method of making gunpowder brought to the Arab world and Europe
______________________________________________________________
3.What did Cai Lun use to make paper at that time
______________________________________________________________
任务驱动三 了解名人
分组收集、整理、总结政治、科学、文化领域先锋人物的照片和信息,每组派代表进行全班展示。
◎学法指导:收集、整理、总结名人的照片和信息,注意图文相符,信息简洁明了。
【答案】
任务驱动一
1.invented
2.invention
3.invented
任务驱动二
1.The sailors had to depend on the star to find the right direction before the compass was invented.
2.The method of making gunpowder was brought to the Arab world and Europe in the 13th and 14th centuries.
3.Cai Lun used bark, ropes and rags to make paper at that time.
【知识超市】
[命题点]区分who、whom和whose
◎观察思考:1.See whom she looks like.看看她长得像谁。
2.Are you going to tell me who he is 你要告诉我他是谁了吗
3.All who reach old age must lose their strength and become weak and gray.人凡是上了年纪,都会失去力量,变得虚弱,头发花白。
4.I want to marry that girl whom was hurt by the stupid boy.我要娶那个被愚蠢男孩儿伤害的女孩儿。
5.There was once an old farmer whose name was Carl.从前有个名叫卡尔的老农夫。
◎用法总结:who作主语,whom作宾语,均是人称代词,意为“谁”;whose是物主代词,意为“谁的”,后接名词。它们在定语从句中是引导词,均无意义。
对点自测
用who、whom或whose填空
1.But to should I say that
但是我该对谁说呢
2.One day a friend of his lived in Boston came to see him.
一天,住在波士顿的一个朋友来看他。
3.I have many far-off friends I have never seen.
我有许多素昧平生的远方朋友。
4.I buy my eggs from a farmer chickens grow up freely.
我从一个农民那里买鸡蛋,他的鸡是放养的。
【答案】
1.whom
2.who
3.whom
4.whose
易错辨析
invent 发明 创造出世界上原来没有的事物或方法
create 创造 一般指创造机会、岗位、氛围等
find 找到 强调发现的结果
discover 发现 指第一次看到或找到前人没有看到的事物、现象或规律
对点自测
用invent、create、find或discover的正确形式填空
1.It is easier to destroy than to .
2.Good hunting grounds are becoming harder to .
3.I learned that different inventors often similar things.
4.A few days later his badly beaten body was on a roadside outside the city.
【答案】
1.create
2.find
3.invent
4.discovered
2