Unit4基础巩固练习（新人教版必修三）

　　ⅰ. 单词拼写
　　1. anything that is dropped falls towards the ground because of the force of ________(引力).
　　答案：gravity
　　2. the little child gave a strong________(拉)at the rope but the sheep didn’t move forward at all.
　　答案：pull
　　3. the water in the harbor was not deep enough to ________(浮动)such a big ship.
　　答案：float
　　4. he is one of the________(生物学家)who have advanced a new theory of life.
　　答案：biologists
　　5. the________(气候)of southern florida attracts thousands of tourists each winter.
　　答案：climate
　　ⅱ. 完成句子
　　1. 既然你长大了，就不应该依靠你的父母了。(now that)
　　________________________________________________，you should not depend on your parents.
　　答案：now that you have grown up
　　2. 你知道第二次世界大战是何时爆发的吗？(break out)
　　do you know when the second world war ________________？
　　答案：broke out
　　3. 我们现在生活在所谓的信息时代。(what)
　　we now live in __________________the information age.
　　答案：what is called
　　4. 他力图解最难的题目以显示他的聪明。(work out)
　　he tried to show his intelligence by working out ________________________________as possible.
　　答案：as difficult a problem
　　5. 这个计划将被阻止实施。(prevent. . . from)
　　________________________________________________being carried out.
　　答案：this plan will be prevented from
　　ⅲ. 情景交际
　　1. (XX年高考天津卷)—putting on a happy face not only helps us make friends but also makes us feel better.
　　—________.
　　a. i’d love to b. i’m with you on that
　　c. it’s up to you d. it’s my pleasure
　　解析：选b。句意：—露出笑脸不仅有助于我们交友，而且还使我们感觉更好。—我同意你这一点。a项表示欣然接受邀请；c项由你来决定；d项不客气(回答感谢)。
　　2. (XX年高考江苏卷)—bill，can i get you anything to drink?
　　—________.
　　a. you are welcome b. no problem
　　c. i wouldn’t mind a coffee d. doesn’t matter
　　解析：选c。句意：—bill，我拿点喝的东西给你好吗？—来杯咖啡吧。a项用于回答谢谢；b项用于回答对方的请求；d项用于回答道歉。
　　3. (XX年高考山东卷)—john and i will celebrate our fortieth wedding anniversary next month.
　　—oh，________！
　　a. cheer up b. well done
　　c. go ahead d. congratulations
　　解析：选d。句意：—我和约翰下个月将庆祝我们结婚40周年。—哦，祝贺你们！cheer up(使)高兴起来，(使)振作起来；well done做得好；go ahead干吧，说吧，用吧；congratulations祝贺。
　　4. (XX年高考天津卷)—we’re organizing a party next saturday, and i’d like you to come.
　　—________！i have another one that day. thank you just the same.
　　a. good luck b. what a pity
　　c. never do it again d. well done
　　解析：选b。句意：—我们正组织下周六的一次聚会，我想让你参加。—真遗憾！那天我还有一个聚会。仍然谢谢你。a项祝你好运；c项以后别这样做了；d项干得好，只有b项符合语境。
　　ⅳ. 语法专练
　　本单元语法——主语从句
　　1. ________young people see and hear in the media helps them to figure out how the world works.
　　a. which b. that
　　c. what d. how
　　解析：选c。考查主语从句。句意：年轻人通过媒体听到的和看到的事情帮助他们了解周围的世界是如何运转的。＂young people see and hear in the media＂中动词see和hear缺少宾语，因此空白处应填what。
　　2. (XX年郑州一中月考)________ you don’t like him is none of my business.
　　a. what b. if
　　c. that d. whether
　　解析：选c。考查名词性从句。that 引导主语从句，在从句中不作成分；what引导主语从句时充当句中成分；if不能引导主语从句；whether引导的主语从句应是肯定句。由语意可知c项正确。
　　3. (XX年安徽皖南八校联考)—mary looks down today. what is up?
　　—well，________ happened between mary and me is none of your business.
　　a. wherever b. whoever
　　c. whatever d. no matter what
　　解析：选c。whatever引导主语从句，在从句中作主语。
　　4. (XX年临川一中期中测试)________medicine works in a human body is a question________ not everyone can understand fully.
　　a. how; that b. that；which
　　c. what；which d. what；that
　　解析：选a。how在句中引导主语从句；that 引导定语从句，修饰限定词question。句意：药物是如何作用于人体的，这个问题并不是每个人都能完全理解的。
　　5. ________obama was elected president of the usa is a big success for the blacks in america.
　　a. 不填 b. that
　　c. what d. as
　　解析：选b。考查复合句。句意：奥巴马当选为美国总统对美国黑人而言是一个巨大的成功。that obama was elected president of the usa 是主语从句，that在从句中没有实义，本身不作句子成分。