问题
名词解释
羊生产学
答案
参考答案：
是一门综合性学科，生理生化、涉及到遗传、育种、饲养管理等方面的理论和技术，是研究羊饲养管理技术和遗传育种的科学。
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羊生产学
参考答案：
是一门综合性学科，生理生化、涉及到遗传、育种、饲养管理等方面的理论和技术，是研究羊饲养管理技术和遗传育种的科学。
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| How to keep healthy? One important rule is to exercise __1__. The Lee's family try to exercise every day. Lee Lei __2__ exercise in the morning because he must be at his job at exactly seven o'clock. But he runs every evening. He walks a lot, __3__. He walks to school every day, and after school he __4__ different sports with his friends. Lee Fang goes to a yoga (瑜伽) class __5__ . But it wasn't __6__ this way. Last year Mr and Mrs Lee used to __7__ everywhere, even to the drugstore (药店) two blocks (街区) away. They thought they had to use the car all the time. Now the Lees walk more and they all __8__ better now. And they believe you __9__ exercise every day, but you should __10__ to keep in good health. | |||
| ( ) 1. A. often ( ) 2. A. may not ( ) 3. A. either ( ) 4. A. watches ( ) 5. A. in two weeks ( ) 6. A. always ( ) 7. A. ride ( ) 8. A. had ( ) 9. A. needn't ( ) 10. A. try | B. sometimes B. can not B. also B. plays B. for two weeks B. seldom B. drive B. make B. don't B. want | C. late C. would C. too C. loves C. after two weeks C. usually C. fly C. feel C. won't have to C. wish | D. later D. should not D. again D. practices D. twice a week D. sometimes D. walk D. feel like D. mustn't D. hope |