托福句子插入题

《托福句子插入题》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、1：Extinctbutalreadyfullymarinecetaceansareknownfromthefossilrecord.Howwasthegapbetweenawalkingmammalandaswimmingwhalebridged?Missinguntilrecentlywerefossilsclearlyintermediate,ortransitional,betweenlandmammalsandcetaceans.Veryexcitingdiscoverieshavefin

2、allyallowedscientiststoreconstructthemostlikelyoriginsofcetaceans.In1979,ateamlookingforfossilsinnorthernPakistanfoundwhatprovedtobetheoldestfossilwhale.ThefossilwasofficiallynamedPakicefusinhonorofthecountrywherethediscoverywasmade.Pakicetuswasfoundem

3、beddedinrocksformedfromriverdepositsthatwere52millionyearsold.TheriverthatformedthesedepositswasactuallynotfarfromanancientoceanknownastheTethysSea.　ThisisanInsertTextquestion.Youcanseethefourblacksquaresinparagraphs1and2thatrepresentthepossibleanswerc

4、hoiceshere.Extinctbutalreadyfullymarinecetaceansareknownfromthefossilrecord.■Howwasthegapbetweenawalkingmammalandaswimmingwhalebridged?■Missinguntilrecentlywerefossilsclearlyintermediate,ortransitional,betweenlandmammalsandcetaceans.■Veryexcitingdiscov

5、erieshavefinallyallowedscientiststoreconstructthemostlikelyoriginsofcetaceans.■In1979.ateamlookingforfossilsinnorthernPakistanfoundwhatprovedtobetheoldestfossilwhale.Thesentenceprovidedis"Thisisaquestionthathaspuzzledscientistsforages."Thebestplacetoin

6、sertitisatsquare2.Thesentencethatprecedessquare2isintheformofarhetoricalquestionandtheinsertedsentenceexplicitlyprovidesaresponsetoit.Noneoftheothersentencesprecedingsquaresisaquestion,sotheinsertedsentencecannotlogicallyfollowanyoneofthem.一些完全水生的鲸类动物虽

7、然已经灭绝，但仍可通过化石来对它们进行考察。陆栖哺乳动物和海洋鲸类之间有何联系？近期发现的化石已经可以很清晰地帮助人们了解这个问题，以及他们之间的过渡关系。科学家们通过一些令人振奋的发现重现了鲸类动物几近真实的起源。1979年，在巴基斯坦北部，一个寻找化石的考察队发掘到了最古老的鲸鱼化石。这块化石被官方命名为Pakicifus，以纪念人们发现它的地方。这块化石是在一条河的沉积岩中发现的，这条河有5200万年的历史，离古地中海不远。解析：看到插入的句子，首先想到的便是“这个问题，thisquestio

8、n”，所以插入点之前肯定要有这个问题的描述，看到原文第二个插入点之前的那句话“Howwasthegapbetweenawalkingmammalandaswimmingwhalebridged? ”正好就是一个问题，段落中已经没有其他的问题了，若是插入其他的插入口，则Thisisaquestion就会丢失连续性。所以答案是Square2。2：Theraisingoflivestockisamajoreconomicactivityinsemiaridlands,whe