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1、Unit 6When was it invented?第二課時Section A (3a3c) by accident意為“偶然；意外地”，其同義詞組為by chance；反義詞組為on purpose。 remain不及物動詞，意為“留下；剩余”。eg：A few pears remain on the tree.樹上還留有幾個梨。【拓展】remain還可作連系動詞，意為“依舊是；仍是”，后接形容詞、名詞、分詞或介詞短語作表語。eg：He remained silent in the meeting.他在會議上保持沉默。 smell的用法作實義動詞，意為“聞到”。作連系動詞，意為“聞起來”。

2、作名詞，意為“味道；氣味”。 【辨析】take place與happentake place意為“發(fā)生；出現(xiàn)；舉行”，一般指事件的發(fā)生一定有某種原因或事先的安排。無被動語態(tài)。happen意為“發(fā)生”，指偶然發(fā)生或突然發(fā)生。無被動語態(tài)。 doubt意為“懷疑；疑惑”，后常接賓語從句。主句為肯定句時，從句用if或whether來引導；主句為否定句或疑問句時，從句用that引導。eg：I doubt whether he can come here on time.我懷疑他是否能準時到這兒來。I dont doubt that he will come to help me.我毫不懷疑他會來幫助我。

3、【拓展】without doubt毫無疑問；的確 It is said that.據(jù)說該句式以it作形式主語，謂語動詞用被動語態(tài)，其后接that從句(其實為主語從句)。較常見的有：Its believed that.據(jù)說/相信Its expected that.據(jù)估計/料想Its known that.眾所周知Its reported that.據(jù)報道Its thought that.據(jù)認為/猜想 一、根據(jù)句意及漢語或首字母提示完成單詞。1I believe he is a kind and smart (統(tǒng)治者)2The room (保持) cool all summer.3China do

4、es a lot of (貿(mào)易) with many countries.4There is no that she will succeed because she works hard all the time.5On Day，thousands of people go to Tiananmen Square and watch the flag go up.rulerremainstradedoubtNational二、根據(jù)句意，選擇方框中的詞并用其適當形式填空。6The airport is so far.It takes an hour to get there by car.(2

5、015，溫州)7The in the room is terrible.Could you please open the window?8He was as the best person to do it.9Dont touch the water.Youll hurt yourself.10Tea，the most popular drink，is an invention.nearlysmellthoughtboiling/boiledaccidental三、單項選擇。( )11._ I know there are a lot of difficulties，Ill never gi

6、ve up my dream.AAs far asBEven thoughCNo matter DIf( )12.Tea was first _ in China.(易錯題)Adrink Bdrinking Cdrunk Ddrank( )13.Great changes have _ in my hometown in recent years.Ataken up Btaken place Ctaken action Dtaken care( )14._ is reported that another earth satellite has been put into space.(原創(chuàng)題

7、)AThat BThis CThere DIt( )15.About over 80 years ago，Mickey Mouse first appeared in the cartoon.(同義替換)Amore than Bless than Cat most Dat leastBCBDA四、根據(jù)漢語意思完成下列句子。16那個小孩在登山時意外地摔傷了腿。That child broke his leg when he was climbing the mountain.17在上學的路上，李磊掉進了河里。Li Lei the river on his way to school.18他毫無疑問是我教過的最聰明的學生。He is the cleverest student Ive ever taught.19我不了解這所學校，但據(jù)說是一所非常好的學校。I dont know much of the school，but its quite a good one.20茶直到六世紀和七世紀才傳到日本。Tea brought to Japan the 6th and 7th centuries.by accidentfell intowithout doubtits said thatwasntuntil