重点短语 重点句型 重点单词 ❷过去分词作定语 We started flying around the world and meanwhile,scientists figured out how to split the atom,previously thought to be the smallest particle of matter in the universe.我们开始在世界各地飞行,同时,科学家们发现了怎样分裂原子,而原子以前被认为是宇宙中最小的物质微粒。(教材原句P24) 本句中“previously thought to be the smallest particle of matter in the universe”是过去分词短语在句中作定语,修饰先行词the atom,相当于定语从句which was previously thought to be the smallest particle of matter in the universe。 The building completed last month is a laboratory.上个月竣工的那个建筑物是实验室。 重点短语 重点句型 重点单词 ◆现学活用 用括号中所给词的适当形式填空 1.You cannot accept an opinion offered(offer) to you unless it is based on facts. 2.The first textbook written(write) for teaching English as a foreign language came out in the 16th century.
重点短语 重点句型 重点单词 ❸some of which引导定语从句 The ancient Chinese are associated with many important inventions,some of which have changed the world,and many of which,we still use today.古代中国人与许多重大发明息息相关。其中有些发明改变了世界,有些我们沿用至今。(教材原句P30) 本句中“some of which have changed the world,and many of which,we still use today.”是定语从句,在句中修饰先行词inventions,表示部分与整体的关系。 在英语中,如果两个句子被逗号隔开,并且中间没有连词,则这两个句子具有主次之分,其中居于次要地位的句子充当定语从句。同时,如果先行词与后面定语从句之间存在部分与整体的关系,则用关系词one/two/half/both/some/many/all...of which(whom)或of which(whom) one/two/half/both/some/many/all...引导定语从句。 The buses,most of which were already full,were surrounded by an angry crowd.大多数公共汽车都已经挤满了人,它们被愤怒的人群包围着。 重点短语 重点句型 重点单词 I bought a dozen eggs,six of which broke when I dropped the box.我买了一打鸡蛋,其中六个在我失手打掉了盒子时摔碎了。 ◆特别提醒 在表示所属关系时,可以用whose来代替of which/whom。 It was an agreement the details of which could not be altered.这是一项细节不可更改的协定。(the details of which=whose details) 重点短语 重点句型 重点单词 ◆现学活用 完成句子 1.去年他给我们讲了许多故事,其中大部分都非常感人。 He told us many stories last year,most of which were very moving. 2.我有几个好朋友,其中有两位是北京人。 I have some friends,two of whom come from Beijing. 3.他写了一本书,书名我忘了。 He’s written a book,the name of which/whose name I’ve forgotten.
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