高中英语人教版必修四unit2reading1重点句型课件.ppt

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1、1Working the landWorking the landUnit 2 21.Although he is one of chinas most famous scientists,Yuan Longping considers himself a farmer,for he works the land to do his research,indeed,his sunburnt face and arms and his slim,strong body are just like those of Chinese farmers.for whom he has struggled

2、 for the past five decades.galthough意为意为“尽管尽管.但是但是.”roup有两层意思。有两层意思。consider考虑，认为考虑，认为。此处当。此处当“认为认为”讲。讲。struggle for 为为.而奋斗而奋斗3 2.Yuan Longping grows what is called super hybrid rice.what is called super hybrid rice是宾语从句，做动词是宾语从句，做动词grow的宾语。的宾语。你能把此句变成一个定语从句吗？你能把此句变成一个定语从句吗？43.In 1973,he became the

3、first agricultural pioneer in the world to grow rice that has a high output.to grow rice动词不定式做定语，修饰动词不定式做定语，修饰the first agricultural pioneerthat 引导定语从句，修饰名词引导定语从句，修饰名词rice.54.This special strain of rice makes it possible to produce 20%more of the crop in the same fields.make it possible意为使它成为可能意为使它成

4、为可能这儿的这儿的it指代什么？指代什么？65.Now more than 60%of the rice produced in China each year is from this hybrid strain.more than=over 超过，多余超过，多余produced in China each year过去分词做定语过去分词做定语76.Since then,finding ways to grow more rice has been his life goal.你能找出此句的主干吗？你能找出此句的主干吗？此句为动词此句为动词ing形式做主语。形式做主语。been 是是be动词

5、的过去分词，此处相当于动词的过去分词，此处相当于become，意为，意为“成为成为”。to grow more rice动词不定式做定语。动词不定式做定语。87.Yuan Longping searched for a way to increase rice harvests without expanding the area of the fields.search for 意为意为“寻找寻找”。你还记得其他可以表示寻找的词。你还记得其他可以表示寻找的词吗？吗？to increase rice harvests without expanding the area of the fiel

6、ds.动词不定式做定语动词不定式做定语without为介词，后面的动词用为介词，后面的动词用ing形式。形式。98.These increased harvests mean that 22%of the worlds people are fed from just 7%of the farmland in the world.mean 的用法同学们还记得吗？的用法同学们还记得吗？fed 是是feed的过去分词，意为的过去分词，意为“喂养喂养”，此处可翻译为，此处可翻译为“养养活活”。109.Thanks to his research,the UN has more tools in th

7、e battle to rid the world of hunger.thanks to 幸亏，由于幸亏，由于in the battle在战斗中在战斗中rid.of 摆脱摆脱1110.Using his hybrid rice，farmer are producing harvests twice as large as before.Using his hybrid rice现在分词做原因状语现在分词做原因状语twice as large as为倍数的表达，倍数的三种表达大家还记得吗为倍数的表达，倍数的三种表达大家还记得吗？1211.spending money on himself or

8、 leading a comfortable life also means very little to him.你能说出你能说出spend的用法吗？的用法吗？leading a comfortable life过着舒适的生活过着舒适的生活means very little to him对他意义不大。对他意义不大。1312.Indeed,he believes that a person with too much money has more rather than fewer trouble.此句中此句中that引导宾语从句。引导宾语从句。在宾语从句中在宾语从句中with too much money是介词短语，做是介词短语，做person的的定语。定语。rather than 意为意为“而不是而不是”谢谢观看！谢谢观看！1513.Indeed,he believes that a person with too much money has more rather than fewer trouble.此句中此句中that引导宾语从句。引导宾语从句。在宾语从句中在宾语从句中with too much money是介词短语，做是介词短语，做person的的定语。定语。rather than 意为意为“而不是而不是”