Ⅱ.单句改错

　　1．Nowadays most of the people are living happy life.

　　2．It is raining outside.I would rather stay at home than going out.

　　3．You'd better finish your homework without referring your notes.

　　4．How I regretted not have studied hard at school，which led to the failure in my career!

　　5．It sounds like something is wrong with the car's engine.If not，we'd better take it to the garage immediately.

　　6．Your education will equip you to earning a good living.Work hard from now on.

　　答案　1.happy前加a　2.going→go　3.referring后加上to　4.have→having　5.not→so　6.earning→earn

　　Ⅲ.课文浓缩语法填空

　　Born in 1930，Yuan Longping graduated __1__ Southwest Agricultural College in China in 1953，and then was assigned to teach crop genetics and breeding at an __2__(agriculture)school in Hunan Province.He began __3__ research in hybrid rice development in 1964 and in 1971 he achieved __4__ major scientific breakthrough as he __5__(success)developed the genetic materials essential for breeding high－yielding hybrid rice varieties.

　　Professor Yuan is widely __6__(acknowledge)for the discovery of the genetic basis of heterosis in rice.In 1974，he developed Nan－you No.2.With output 20 percent __7__(high)than previous varieties，Professor Yuan's new crop immediately began __8__(improve)food availability in China.Beyond this exceptional accomplishment，Professor Yuan has built an additional legacy of combating food shortages __9__ hunger.Professor Yuan's remarkable __10__(achieve)in hybrid rice research have previously won him numerous honors.

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