(
课件网) Into the unknown noun clauses 1.To understand the general knowledge of noun clauses. 2. To be able to use noun clauses in proper situations. Learning aims 语法感知 用适当的连词完成下面教材中的句子并体会其语法特征 1．(教材原句)Through comparison, he found the locations of the 117 known Maya cities correspond to the positions of the stars. 2．(教材原句)Extending south from parts of we now know as Mexico into Central America, Maya civilisation has been surrounded by mystery since its rediscovery in the 19th century. 3．(教材原句) is most extraordinary about these complex structures is how they were built without the use of wheels, metal tools or even animal power. Leading-in that What what 4．(教材原句)The fact Maya society was technologically primitive makes its achievements all the more incredible and mysterious. 5．(教材原句) Maya civilisation collapsed remains a mystery. 6．(教材原句)By changing the landscape in this way, it is possible the Maya people unknowingly reduced their ability to deal with natural disasters. 7．(教材原句)But the greatest mystery of all is caused the Maya to abandon most of their great cities. 8．(教材原句)Although his theory has been dismissed by scholars, it shows powerful the secrets of Ancient Maya civilisation are among people. Leading-in Why that how what that 名词性从句是在句子中起名词作用的从句，其功能相当于名词，在复合句中能充当主语、宾语、表语、同位语等，因此根据它在句中具有不同的语法功能，名词性从句又可分为主语从句、宾语从句、表语从句和同位语从句。 一、that与whether/if引导的名词性从句 1．that引导的名词性从句 that在名词性从句中不作任何成分，本身无意义，可引导所有的名词性从句。that 引导主语从句、表语从句和同位语从句时通常不能省略，引导宾语从句时有时可以省略。 That Tu Youyou had been awarded the 2015 Nobel Prize in Physiology or Medicine made us very proud. 屠呦呦荣获2015 年诺贝尔生理学或医学奖使我们非常骄傲。 We all agree that it would be very convenient to go there by bus. 我们一致认为乘公共汽车去那儿很方便。 The fact is that we have lost the game. 事实是我们已经输了这场比赛。 Modern science has given clear evidence that smoking can lead to many diseases. 现代科学已经给出了明确的证据———吸烟能导致很多疾病。 【温馨提示】 that引导宾语从句时通常不能省略的情况 (1)从句作learn、request、insist、suggest、explain、agree、wonder、prove、feel等动词的宾语时，that往往不省略； (2)宾语从句前有插入语时； (3)动词后跟有多个 that 引导的宾语从句时，只有第一个 that可以省略，从第二个从句开始that 不可省略。 We agreed that the proposal was a good one. 我们一致认为这个建议不错。 Everyone could see, I believe, that Mike was very terrified. 我相信人人都能看出迈克很害怕。 I believe (that) you have done your best and that everything will go well. 我相信你已经尽力了，而且一切都会顺利的。 2．whether/if引导的名词性从句 (1) whether和 if本身有意义，意为“是否”，在从句中不充当句子成分。 (2)whether可引导所有名词性从句，if主要引导宾语从句或不在句首的主语从句。 (3)whether与 if引导 ... ...
