Part One Grammar
1. Althugh his thery has been dismissed by schlars, it shws _________ pwerful the secrets f Ancient May civilizatin are amng peple. This sentence cntains a ____________ clause.
2. But the greatest mystery f all is _________ caused the Maya t abandn mst f their great cities. This sentence cntains a ____________ clause.
predictive
Fill in the blanks & decide the type nun clause
3. __________ Maya civilizatin cllapsed in the early 16th century remains a mystery. This sentence cntains a ____________ clause.
4. The fact ___________ Maya sciety was technlgically primitive makes its achievements all the mre incredible and mysterius. This sentence cntains a ____________ clause.
Practice 1 Make nun sentences
1. In fact, it seems that they appeared very different frm ________________________ (think). 2. In recent, scientists have wrked ut _____________________ (lk): many f them were small with feathers. 3. Hwever, __________________ (have) feathers still isn’t clear--it might have been fr cmmunicating r fr staying warm, but nt just fr flight. 4. It seems _______________________ (depend n) their habitats. That is, dinsaurs which culd fly wuld have had different clrs t thse living in the sea.
what peple think
what they lked like
Why they had
as if they depended n
Talk abut what caused the disappearance f dinsaurs using nun clauses where apprpriate.
Practice 2 Use nun clauses
Amng the many unslved mysteries abut dinsaurs, what really interests me is their disappearance. One pssible explanatin is that there was a huge meterite hitting Earth. But what I believed mst was ash and gas frm erupting vlcanes. Where s much magma went, all the living things including dinsaurs lst their lives. Besides, it is a fact that cluds f fire and smke blcked the whle sky s that they had n sunshine t enjy and n xygen t take in.
The disappearance f dinsaurs
Facing the unknwn
Part 2 Fcus n vcabulary (一）
1. What is the flight instinct? Why d sme peple react that way in the face f the unknwn?
Making a quick getaway. It is a human instinct.
2. What ther reactins culd peple have when facing the unknwn?
They chse t subdue their fears and pursue the unknwn.
Read the passage “Facing the unknwn”
Cllect the expressins and put them int cateries
3/4/9/10/14
Fcus n vcabulary (二）
Befre listening, read the passage cncerning the human brain.
1. What functins f the brain are mentined in the passage? 2. What is the current research situatin cncerning the brain?
Part 3 Listening
1. What functins f the brain are mentined?
The brain is the centre f the nervus system and cntrls mst f the bdy’s activities. The back part f it is invlved with ur visin and the sides f it are invlved in memry, speech and rhythm.
2. What’s the current research situatin abut the brain?
There is still a lng way t g befre we can cmpletely understand the wrkings f the brain.
1. Chse the tpic discussed in the interview. A. Methds t keep the brain healthy and active. B. Sleep-related mysteries. C. Ways f imprving sleep quality. D. Methds f interpreting dreams. 【答案： 】
Listen t the interview
rest and d maintenance
makes lts f pisnus chemicals
remve these chemicals
New cnnectins are frmed between parts.
use them t frm new memries
Listen again and cmplete the table
remain active
enugh data
the mst imprtant reasn
sleep is necessary t this functin
Why d peple dream in clr and ther dn’t?
Pst listening
Pssible visin： The aliens are a general term used by humans t describe imaginary life frm ther planets. Nwadays, the human beings have nt actually detected whether there are aliens in universe, thugh quiet a few peple said that they witnessed alien visit the earth. In the last 50 years f researches, astrnmers have nt fund any cnclusive evidence f extraterrestrial life.
Talk abut the investigatin int anther scientific mystery.
1. There are many mysteries abut dinsaurs t which we lng t find explanatins. [句式分析] “t which we lng t find explanatins” 為 定語(yǔ) 從句，其結(jié)構(gòu)為“介詞 t +which +從句”用來修飾說明先行詞 mysteries abut dinsaurs 其中介詞與explanatins構(gòu)成固定搭配explanatins t sth意為“對(duì)...的解釋”；固定短語(yǔ)lng t d sth意為“渴望做某事”。[嘗試翻譯] 有許多關(guān)于恐龍的謎團(tuán)，我們渴望找到解釋。
Language appreciatin
2. Interestingly, it is the back part f the brain that is invlved with ur visin. [句式分析] 本句為 強(qiáng)調(diào)句 句式“It’s + 被強(qiáng)調(diào)部分 +that +句子的其余部分”，本語(yǔ)境為“It’s +主語(yǔ)+ that+句子的其余部分”，句中短語(yǔ)be invlved with意為“與...關(guān)聯(lián)，涉及到”。 [嘗試翻譯] 有趣的是，大腦的后部與我們的視覺有關(guān)。
Language pints
1. Review the basic usages f the new wrds and expressins learned in this perid. 2. Review the nun clauses in practice. 3. Writing a 60-wrd summary f the passage.
Assignments fr this perid

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