鹦鹉是一种十分受欢迎的宠物鸟, 其艳丽的羽毛颜色一直是人们繁殖培育的重点。羽毛的...
【简答题】【翻译下列段落】The new boy went off brushing the dust from his clothes, sobbing, snuffling, and occasionally looking back and shaking his head and threatening what he would do to Tom the "next time he caught...
【简答题】阅读理解。 Last week I visited my friend Pete in the new home where he lives with his wife and daughter. Pete used to spend his holidays travelling the world, visiting the Louvre in Pairs or watching anima...
【简答题】阅读理解。 John moved into a new house. He was very happy. He had an old cat and a young cat. He liked them very much, He thought,' I must let my cat go in and out of my house when I'm not at home.' He had...
【简答题】One day Henry went to town to buy new clothes. First he tried on a pair of trousers. He didn't like the trousers, so he gave them back to the shopkeeper. Then he tried a robe which had the same price ...
【简答题】ABC Radio Jim Green is an announcer(播音员)for the program.Most of the girls___1____ boys like the program. They ___2___like Jim Green. Some of them often make phone calls to him and thank him ___3___ hi...
【单选题】Jim hesitated before getting in. He didn't like the man's【21】or the way he talked. And at other time he would have said,'【22】, 'but 'his leg hurt, and it was a long【23】home. He got【24】The big car star...
【简答题】Last week I visited my friend Pete in the new home where he lives with his wife and daughter. Pete used to spend his holidays travelling the world, visiting the pyramids in Egypt or scuba diving(潜水) i...
【简答题】At 21, Ricardo Semler became boss of his father’s business in Brazil, Semco, which sold parts for ships. Semler Junior worked like a madman, from 7:30 a. m., until midnight every day. One afternoon, w...
【判断题】杜鹃花是“世界最美丽的花卉之一”,中国是世界上杜鹃花种类最多的国家。
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鹦鹉是一种十分受欢迎的宠物鸟,其艳丽的羽毛颜色一直是人们繁殖培育的重点。羽毛的黄色与绿色是一对相对性状,由基因A和a控制。现有几只基因组成相同的雌雄黄色鹦鹉和几只基因
鹦鹉是一种十分受欢迎的宠物鸟，其艳丽的羽毛颜色一直是人们繁殖培育的重点。现有几只雌雄鹦鹉交配组合如下，请分析回答问题：（5分） （1）鹦鹉羽毛的黄色和绿色是一对
鹦鹉是一种十分受欢迎的宠物鸟，其艳丽的羽毛颜*一直是人们繁殖培育的重点．羽毛的黄*与绿*是一对相对*状，由基因...
鹦鹉是一种十分受欢迎的宠物鸟，其艳丽的羽毛颜色一直是人们繁殖培育的重点．鹦鹉体细胞内的染色体数目是15对（此数只是假设，并不确定）羽毛的黄色与绿色是一对相对性状，由基因A
鹦鹉是一种十分受欢迎的宠物鸟，其艳丽的羽毛颜色一直是人们繁殖培育的重点。现有几只雌雄鹦鹉交配组合如下，请分析回答问题：（1）鹦鹉羽毛的黄色和绿色是一对
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鹦鹉是一种十分受欢迎的宠物鸟, 其艳丽的羽毛颜色一直是人们繁殖培育的重点。羽毛的...
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