【词，句重难点课件】Unit 2 Period Ⅲ 高中英语 外研版（2019）必修三

(共21张PPT)
Unit 2
Making a difference
Period Ⅲ
Developing ideas & Presenting ideas & Reflection
01
02
句子控
模块
导航
词汇斩
定向练1
一、在空白处填入1个适当的单词或括号内单词的正确形式。
1．A dictionary can aid us ________ learning a new language.
2．________ the aid of the local guide, we finally made it out of the jungle.
【解析】
一、1．in/with　句意为：词典可以帮助我们学习一门新的语言。考查固定搭配aid sb in/with doing sth，意为“帮助某人做某事”。
2．With　句意为：在当地向导的帮助下，我们最终成功走出了丛林。考查固定搭配with the aid of…，意为“在……的帮助下”。
词汇斩
3．We are collecting money ________ aid of cancer research.
4．We aided them in ________ (fight) against the enemies.
【解析】
3．in　句意为：我们正在筹集资金，以资助癌症研究。考查in aid of…，意为“为了帮助……”。
4．fighting　句意为：我们帮助过他们抗击敌人。考查aid sb in doing sth，意为“帮助某人做某事”。
词汇斩
二、根据汉语意思完成句子。
1．每当我身处困境时，他总是来帮助我。(aid n.)
Whenever I am in trouble, he always ________ ________ ________ ________.
2．如果每个国民都懂得急救的话，那么很多生命就可以被挽救。
If everyone in the country knew ________ ________, many lives would be saved.
【解析】
二、1．comes/goes to my aid　2．first aid
词汇斩
定向练2
一、用achieve的正确形式填空。
1．The company ________ a 100% increase in profit last year.
2．We felt a great sense of ________ when we reached the top of the mountain.
【解析】
一、1．achieved　句意为：去年这家公司的利润实现了百分之百的增长。根据时间状语last year可知，此处应用一般过去时。
2．achievement　a sense of achievement意为“一种成就感”。
词汇斩
3．This programme has set up a stage where some people can have their dreams ________, and the programme has seen a lot of people’s ________ so far.
【解析】
3．achieved; achievements　句意为：这个节目搭建了一个舞台，在这里一些人可以实现自己的梦想；该节目到目前为止已经见证了很多人的成就。分析句子结构可知，第一空在从句中作宾补，与从句宾语their dreams之间是逻辑上的被动关系，因此用过去分词形式；第二空前有a lot of people’s修饰，故应用名词形式，且achievement表示“成绩，成就”时为可数名词，故用其复数形式。
词汇斩
二、根据汉语提示补全句子。
1．To ________ ________ (取得成功), you should have dreams, make plans, believe in yourself and go for what you want.
2．The promising young man ________ ________ ________ ________ (取得巨大成就) in the field of physics in the last few years.
二、1．achieve success　句意为：为了取得成功，你应该心怀梦想，制订计划，相信自己并去追求你想要的。
2．has made great achievements　根据时间状语in the last few years可知，本句应用现在完成时。
词汇斩
定向练3
根据汉语提示补全句子。
1．Declining birth rate is ____________________ (一个重大问题) in many developing countries too, which might cause catastrophic global shortages of workforce within a few decades.
2．Smoking is ____________________ (引起癌症的重要原因之一).
3．He is ____________________ (主修) physics.
4．People who can speak English are ____________________ (占大多数) in this country.
【解析】
1．a major issue　2．one of the major causes of cancer
3．majoring in　 4．in the majority
词汇斩
定向练4
一、在空白处填入1个适当的单词或括号内单词的正确形式。
1．In a childlike act, she left the hospital and treated herself ________ a box of chocolates.
2．All visitors to this village are treated ________ kindness.
【解析】
一、1．to　句意为：像个小孩子一样，她离开医院，然后犒劳自己一盒巧克力糖。
2．with　句意为：所有到这个村庄的游客都被友善对待。　
词汇斩
3．Good public speaking training should treat you ________ a special one, with your own personal habits.
4．While cloning technology may be used for medical ________ (treat), everyone doesn’t support it.
【解析】
3．as　句意为：好的公共演讲训练应该把你视为一个特别的人，拥有自己的个人习惯。
4．treatment　句意为：尽管克隆技术可以用于医疗，但并不是每个人都支持。
词汇斩
二、根据汉语意思完成句子。
我告诉他那很危险，但他把我的话当作玩笑。
I told him that was dangerous but he ________ ________ ________ ________ jokes.
【解析】
二、treated my words as
词汇斩
句子控
定向练1
在空白处填入1个适当的单词并在括号内说明该词引导何种从句。
1．The bookshop ________ I bought this book is not far from here. (　　　　)
2．Make a mark ________ you have any doubt or question. (　　　　)　
3．A tall building was put up at the place ________ there used to be a parking lot. (　　　　)
4．A tall building was put up ________ there used to be a parking lot. (　　　　)
【解析】
1．where；定语从句　句意为：我买这本书的书店离这儿不远。
2．where；地点状语从句　句意为：在你有任何疑问或问题的地方做上标记。
3．where；定语从句　句意为：(人们)在以前是停车场的地方盖起了一幢高楼。
4．where；地点状语从句　句意为：(人们)在以前是停车场的地方盖起了一幢高楼。
句子控
5．We will start from the point ________ we left off last time. (　　　　)
6．Go back ________ you came from. (　　　　)
7．Go back to the place ________ you came. (　　　　)
【解析】
5．where；定语从句　句意为：我们将从上次停止的地方开始。
6．where；地点状语从句　句意为：你从何处来，就回到何处。
7．where；定语从句　句意为：你从哪个地方来，就回到哪个地方。
句子控
8．The earth is unlikely to be the only planet ________ life has developed gradually. (　　　　)
9．Put the medicine ________ children can’t reach it. (　　　　)
10．This is the farm on ________ he used to work. (　　　　)
【解析】
8．where；定语从句　句意为：地球不大可能是唯一一个生命逐渐发展的星球。
9．where；地点状语从句　句意为：把药放在孩子够不到的地方。
10．which；定语从句　句意为：这是他曾经工作过的农场。
句子控
定向练2
一、在空白处填入1个适当的单词。
1．Look at the building, ________ roof is black.
2．The girl lives in the house, ________ windows face the sea.
【解析】
一、1．whose　句意为：看那栋有着黑色楼顶的大楼。
2．whose　句意为：这个女孩住在窗户面向大海的房子里。
句子控
3．The house of ________ the windows are broken is empty.
4．Here is a word ________ meaning escapes me.
5．There I saw a large table, two legs ________ which were broken.
【解析】
3．which　句意为：窗户坏了的那幢房子是空的。
4．whose　句意为：这里有一个词，我想不起来它是什么意思了。
5．of　句意为：在那里我看见一张大桌子，有两条桌腿断了。
句子控
二、将下列简单句改写成含有whose引导的定语从句的复合句。
1．I have a pen friend. His father is a policeman.　
________________________________________________________________________
【解析】
二、1．I have a pen friend whose father is a policeman.　句意为：我有一个笔友，他的父亲是一位警察。
句子控
2．The boss had heard about the accident. Mr King worked in his company.　
________________________________________________________________________
【解析】
2．The boss in whose company Mr King worked had heard about the accident.　句意为：金先生所在公司的老板已经听说了这起事故。
句子控
3．We will visit the town. We have never heard of its name.
________________________________________________________________________
【解析】
3．We will visit the town whose name we have never heard of.　句意为：我们要去参观那个我们从来都没有听说过的小镇。