摘要： 圆的
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黄色圆粒豌豆与绿色圆粒豌豆进行杂交，对其子代表现型按每对相对性状进行分析和统计，结果如下图所示：（黄、绿用Y、y表示，圆、皱用R、r表示）
（1）每对相对性状的遗传符合 定律。
（2）亲本的基因型：黄圆是_______，绿圆是
（3）杂交后代中非亲本类型性状组合占 ，其中双隐性个体占 。
（4）杂交后代中能稳定遗传的数量占总数的_________。 查看习题详情和答案>>
（1）每对相对性状的遗传符合 定律。
（2）亲本的基因型：黄圆是_______，绿圆是
（3）杂交后代中非亲本类型性状组合占 ，其中双隐性个体占 。
（4）杂交后代中能稳定遗传的数量占总数的_________。 查看习题详情和答案>>
在你的成长过程中，家人(父母、祖父母等)倾注了大量的心血。他们对你的生活和学习除了给予关心、帮助外，也会提出一些建议。
请根据上面圆框中的内容，选择一点或几点写一篇短文，向你的好友谈谈你的家人给予你的关心、帮助或建议以及你的想法。
要求：1．词数80左右。
2．条理清楚，语意连贯，句式规范，字迹工整。
3．文中不得出现真实的人名、校名等相关信息。
参考词汇：be strict with sb．对某人严格要求；allow sb．to do sth．允许某人干某事
查看习题详情和答案>>
Once a circle(圆圈) lost a piece. The circle wanted to be whole, so he went around 36 for the missing piece.
Because he was incomplete(不完整的), he rolled very 37 . He saw the beautiful flowers along the road, talked with the 38 and enjoyed the sunshine on his way. He found 39 different pieces, but 40 of them fit him. So he left them all by the side of the road and 41 searching(搜索).
One day 42 circle found the right piece. It fit him perfectly. He 43 be whole, with nothing missing. He was so happy. He could roll very fast, 44 fast to notice the flowers and talk to the birds. 45 he found how different the world seemed as he rolled so quickly, he stopped. He 46 the found piece by the side of the road and rolled slowly away.
A person who has everything is 47 in some ways. He will 48 have hopes and dreams. We can’t be perfect, but we can be kind enough to share happiness with others 49 smart enough to know there is enough 50 around us to live a wonderful life.
查看习题详情和答案>>
Because he was incomplete(不完整的), he rolled very 37 . He saw the beautiful flowers along the road, talked with the 38 and enjoyed the sunshine on his way. He found 39 different pieces, but 40 of them fit him. So he left them all by the side of the road and 41 searching(搜索).
One day 42 circle found the right piece. It fit him perfectly. He 43 be whole, with nothing missing. He was so happy. He could roll very fast, 44 fast to notice the flowers and talk to the birds. 45 he found how different the world seemed as he rolled so quickly, he stopped. He 46 the found piece by the side of the road and rolled slowly away.
A person who has everything is 47 in some ways. He will 48 have hopes and dreams. We can’t be perfect, but we can be kind enough to share happiness with others 49 smart enough to know there is enough 50 around us to live a wonderful life.
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Once a circle(圆圈) lost a piece. The circle wanted to be whole, so he went around 36 for the missing piece.
Because he was incomplete(不完整的), he rolled very 37 . He saw the beautiful flowers along the road, talked with the 38 and enjoyed the sunshine on his way. He found 39 different pieces, but 40 of them fit him. So he left them all by the side of the road and 41 searching(搜索).
One day 42 circle found the right piece. It fit him perfectly. He 43 be whole, with nothing missing. He was so happy. He could roll very fast, 44 fast to notice the flowers and talk to the birds. 45 he found how different the world seemed as he rolled so quickly, he stopped. He 46 the found piece by the side of the road and rolled slowly away.
A person who has everything is 47 in some ways. He will 48 have hopes and dreams. We can’t be perfect, but we can be kind enough to share happiness with others 49 smart enough to know there is enough 50 around us to live a wonderful life.
查看习题详情和答案>>
Because he was incomplete(不完整的), he rolled very 37 . He saw the beautiful flowers along the road, talked with the 38 and enjoyed the sunshine on his way. He found 39 different pieces, but 40 of them fit him. So he left them all by the side of the road and 41 searching(搜索).
One day 42 circle found the right piece. It fit him perfectly. He 43 be whole, with nothing missing. He was so happy. He could roll very fast, 44 fast to notice the flowers and talk to the birds. 45 he found how different the world seemed as he rolled so quickly, he stopped. He 46 the found piece by the side of the road and rolled slowly away.
A person who has everything is 47 in some ways. He will 48 have hopes and dreams. We can’t be perfect, but we can be kind enough to share happiness with others 49 smart enough to know there is enough 50 around us to live a wonderful life.
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