英语基础模块3Unit 7 Natural Disasters获奖课件ppt

这是一份英语基础模块3Unit 7 Natural Disasters获奖课件ppt，共26页。PPT课件主要包含了Part 1，Part 2，Part 3，Part 4，Homework 等内容，欢迎下载使用。
Learning bjectives
knwledge bjectives
ability bjectives
emtinal bjectives
T learn the basic usage f subject clauses and predicative clauses.
T chse the apprpriate relative wrds f subject clauses and predicative clauses in the specific cntext.
T cultivate the gd habit f using language crrectly in daily life.
Warming up
Warming up
Natural Disasters
D yu knw what the tw basic sentences are?
What can be the sentence elements?
that 代指“某件事” whether/if 代指“是否” what 代指“某个物” which 代指“哪一个” wh／whm 代指“某个人”
where 代指“某个地点” when 代指“某个时间” why 代指“某个原因” hw 代指“方式”
Grammar 主语从句和表语从句
It is true that these disasters are nt actually all that natural.It is knwn that sandstrms are caused naturally by strng winds.The mst imprtant thing is hw we can have mre peple jin us.
由that引导的主语从句
主语从句常用it代替 为了使句子保持平衡，常用先行词it 做形式主语，来代替主语从句，而把主语从句置于句末。
e.g：That he didn’t take part in my wedding is a pity.（主语从句） =It is a pity that he didn’t take part in my wedding 愦憾的是，他没能来参加我的婚礼。
(1) It is+n.+ 从句 It is a pity/shame that... 遗憾的是…… It is a surprise that... 令人惊奇的是…… It is a fact that… 事实是…… It is cmmn knwledge that… ……是常识
(2) It is+adj.+ 从句 It’s certain that… ……是肯定的 It is pssible that... ……是有可能的 It is unlikely that... ……是不可能的 It is bvius that… ……很明显 It is … (shuld)+d / be dne+… 做……是有必要的/ 重要的/ 自然的
(3) It+ 不及物动词+ 从句 It seems as if… 似乎…… It desn’t matter that… ……没关系(4) It is+ 过去分词+ 从句 It is reprted that… 据报道…… It is said that… 据说…… It is believed that… 人们相信……
表语从句一般放在主句的谓语动词（系动词）后，常用的系动词有be，seem，remain，sund，lk等。 引导表语从句的连接词除了 that，wh- 类连接词，还有 as if/ thugh，because，as。
e.g. The questin is whether it is wrth ding. She has remained where I std yesterday fr half an hur. It lks as if it is ging t rain.
Task16 Read and grup.
根据上面的例句对下列句子进行归类。
1) It is said that the first bridge was built mre than three centuries ag. 2) The fact is that he culdn’t use the cmputer.3) That is why they decided t hld a meeting. 4) It wn’t make t much difference whether we have it r nt.5) The prblem is which team will be chsen.6) It desn’t matter whether yu pay cash r by credit card.
Task17 Read and match.
将左右两栏匹配，组成完整的句子。
Task18 Read and cmplete.
阅读下面的句子，将括号内的词语重新排列补全对话。
1) A: When will Mr Brwn arrive tmrrw?B: 　 　　　　　　　　 is still uncertain. (Mr Brwn, whether, r nt, cming, is)2) A: Are yu alright? Yu lk tired. B: I’m fine. 　　　　　　　　 　　 is taking a rest. (need, what, I ) 3) A: What’s the prblem nw?B: 　　　　　　 　　　　 we can hld ur ftball match. (where, the prblem, is)
Whether Mr Brwn is cming r nt
What I need
The prblem is where
4) A: Where did yu g last week? B: I drve t Tianjin last week. 　　　 　　　　 I had a few days ff. (why, is, that)5) A: What did yu tell him? He seems very happy.B: 　　　　　　　　 　　 that I fund him a gd bk. (tld him, what, was, I)6) A: They are wrking very hard, and we shuld learn frm them.B: Yes, and 　　　　 　　　　 they vercme the difficulties. (is, hw, this)
That is why
What I tld him was
Vcabulary
将左右两栏相匹配，组成完整的句子，注意画线词的含义。
Task19 Read and match.
用所给词的适当形式补全句子。
Task20 Read and cmplete.
pllute canceldelay causefrequently due tprmte prevent
Task21 Read and cmplete.
阅读并完成关于环境保护的短文。
Tday, natural disasters strike mre 1)　　　 　　 than befre, and sme f them are 2)　　　　 　 by human activities. Fr example, 3)　　　　　 the rapid urban develpment, we have mre sandstrms. T many vehicles in large cities have 4)　　　 　　 the air. These disasters have badly influenced ur daily life, fr example, the flights are 5)　　 　　 because f the smg r sandstrm. In rder t 6)　　　 　　 such disasters, peple shuld prtect the envirnment and realize the imprtance f sustainable develpment. It’s time fr us t make a change and take actins such as 7)　 　 　　　 the use f electric cars and planting mre trees t make a better life.
1.Remember the vcabulary in the perid.
2.Sum up the same and differences amng the nun clause .