问题
填空题 案例分析题
图中甲、乙是两个家庭系谱图，乙家族患色盲（B–b）。请据图回答
若图甲中的Ⅲ–8与图乙中的Ⅲ–5结婚，则他们生下两病兼患男孩的概率是（）
答案
参考答案：1/8
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图中甲、乙是两个家庭系谱图，乙家族患色盲（B–b）。请据图回答
若图甲中的Ⅲ–8与图乙中的Ⅲ–5结婚，则他们生下两病兼患男孩的概率是（）
参考答案：1/8
| 根据短文内容，从七个句子中选择五个填空。 | |
| A crow (乌鸦) wants to drink, 1______. He looks here and there. At last, he cries, "I can see a jar (罐子) and there is some water in it." 2______, but he can't. "How can I get the water?" he cries. "I can put my break (喙) quite close to it." 3______. "What can I do? I want to drink." 4______, then he picks up a small stone (石 头) in his break and carries it to the jar of water and drops it into the jar. "5______, and I can drink," says the crow.
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