1、英语必修5人教新课标Unit 3同步学案（4）：句子剖析及练习（附答案）Unit 3 Life in the future 句子剖析拓展1. The air seemed thin as though its combination of gases had little oxygen left.空气似乎很稀薄，好像在混合的气体中剩下的氧气很少。【剖析】 1）本句是由方式状语从句构成的复合句。2）as though引导方式状语从句，as though/if“好像；似乎”，如： The animal was walking as though it had hurt its leg.这动物走路的
2、样子好像伤了腿似的。3）The air seemed thin是主句。主句是系表结构：seem是连系动词，thin是形容词在句子中充当表语。【拓展】 as though/if作连词用时，通常用虚拟语气，表示与事实不符或相反的情况。如果表示与现在事实相反，谓语用did或were，如与过去事实相反，则用过去完成时。还可用真实语气。如：The pen as though (if) is mine.这枝钢笔好像是我的。2. If you cover something with a little of that liquid it will go soft.如果你把这种液体抹在某个东西上一点，它就会软
3、化【剖析】 1）本句是由条件状语从句构成的复合句。2）if引导的是条件状语从句，通常用一般现在时表将来。如：She will play the piano only if she is paid.只有付给她报酬，她才愿意演奏钢琴。3）“It will go soft.”是主句，本句是系表结构，go是连系动词，soft是形容词作表语。【拓展】 go作连系动词，意为“变得（如何）”，后接形容词作表语，表示情况的变化并非人们所期望的。如:He has gone mad.他疯了。3. The mu-mu drink is a strange mixture of carrot juice and co
4、coa，while the Dimpods drink lemonade mixed with herbs.这是一种胡萝卜汁加可可粉的奇妙混合液，而丁泼兹喝的是含有香草的柠檬水。【剖析】 1）整个句子是由两个分句构成的并列句，while是并列连词。2）第一个分句是简单的主系表结构；第二个分句是主谓宾结构。3）在第一个分句中“of carrot juice and cocoa”是mixture的后置定语；第二个分句中过去分词短语“mixed with herbs”是lemonade的后置定语。【拓展】 1）while作为并列连词时，意为“而，然而，但是”，往往表示前后两个分句的对比。2）whil
5、e作连词，意为“的时候”时，从句谓语要用延续性动词。3）while作连词，意为“虽然”时，其用法与although相同。4. The Dimpods have so many arms and legs that you cannot tell which is which.丁泼兹长着许许多多的手臂和腿，以至于你很难分清哪些是手臂哪些是腿。【剖析】 1）整个句子是由“so.that.”引导的复合句。2）“The Dimpods have(so）many arms and legs”是主句，“（that）you cannot tell which is which”是结果状语从句。3）that在
6、本句中被省略。一般来说，that在口语中有时会被省略，书面语中不省略为宜。【拓展】 结果状语从句常由“so.that”或“such.that”引导，掌握这两个句型，首先要了解so 和 such与其后的词的搭配规律。1）比较：so和 suchsuch 是形容词，修饰名词或名词词组；so 是副词，只能修饰形容词或副词。如：so nice a flowersuch a nice flower2）so 还可与表示数量的形容词如many, few, much, little等连用，形成固定搭配。如：so many/few flowersso much/little money3）so.that与such
7、.that之间的转换实际上就是 so与such之间的转换。如：The boy is so young that he cant go to school.=He is such a young boy that he cant go to school.这个男孩太小了，以至于不能上学。【高考链接】阅读下列短文，从每小题后所给的A,B,C或D四个选项中，选出最佳选项。 Guide to Stockholm University LibraryOur library offers different types of studying places and provides a good stud
8、ying environment.ZonesThe library is divided into different zones.The upper floor is a quiet zone with over a thousand places for silent reading，and places where you can sit and work with your own computer.The reading places consist mostly of tables and chairs.The ground floor is the zone where you
9、can talk.Here you can find sofas and armchairs for group work.ComputersYou can use your own computer to connect to the WiFi specially prepared for notebook computers；you can also use library computers，which contain the most commonly used applications，such as Microsoft Office.They are situated in the
10、 area known as the Experimental Field on the ground floor.Groupstudy PlacesIf you want to discuss freely without disturbing others，you can book a study room or sit at a table on the ground floor.Some study rooms are for 23 people and others can hold up to 68 people.All rooms are marked on the librar
11、y maps.There are 40 groupstudy rooms that must be booked via the website.To book，you need an active University account and a valid University card.You can use a room three hours per day，nine hours at most per week.Storage of Study MaterialThe library has lockers for students to store course literatu
12、re.When you have obtained at least 40 credits(学分)，you may rent a locker and pay 400 SEK for a years rental period.Rules to be FollowedMobile phone conversations are not permitted anywhere in the library.Keep your phone on silent as if you were in a lecture and exit the library if you need to receive
13、 calls.Please note that food and fruit are forbidden in the library，but you are allowed to have drinks and sweets with you.1The librarys upper floor is mainly for students to_.Aread in a quiet placeBhave group discussionsCtake comfortable seatsDget their computers fixed解析细节理解题。根据Zones中第二句话The upper
14、floor is a quiet zone with over a thousand places for silent reading可知选A。答案A。2What condition should be met to book a groupstudy room?AA group must consist of 8 people.BThreehour use per day is the minimum.COne should first register at the university.DApplicants must mark the room on the map.解析细节理解题。
15、根据Groupstudy Places中第二段可知选C。答案C。3A student can rent a locker in the library if he_.Acan afford the rental feeBattends certain coursesChas nowhere to put his booksDhas earned the required credits解析细节理解题。根据Storage of Study Material中第二句可知选D。答案D。4What should NOT be brought into the library?AMobile phones. BOrange juice. CCandy. DSandwiches.解析推理判断题。根据Rules to be Followed中mobile phones，drinks and sweets可带入图书馆，排除A、B和C，选D。答案D。
