问题
填空题 案例分析题
图1是高等动物细胞亚显微结构模式图，图2是某一生物体中不同细胞的分裂示意图，图3示图2生物细胞分裂过程中不同时期细胞内染色体、染色单体和DNA含量的关系。请据图回答问题：
基因的分离规律、自由组合规律发生于图2中的（）细胞所处的时期。
答案
参考答案：D
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图1是高等动物细胞亚显微结构模式图，图2是某一生物体中不同细胞的分裂示意图，图3示图2生物细胞分裂过程中不同时期细胞内染色体、染色单体和DNA含量的关系。请据图回答问题：
基因的分离规律、自由组合规律发生于图2中的（）细胞所处的时期。
参考答案：D
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| A doctor was once teaching a class of medical students at a famous 1 in London. An injured man was 2 in, and the doctor turned to 3 of the students and asked him, "What is 4 with the man?" "I don't know, sir," the student answered. "Shall I examine him and 5 out?" "There is no 6 to examine him," said the doctor. "You should know without asking questions. He has 7 his right knee. Don't you notice the way he walked? He hurt it by 8 it in the fire. You see his 9 are burnt away at the 10 .This is Monday morning. Yesterday was 11 , but on Saturday the roads were 12 and muddy. The man's trousers are muddy 13 .The man fell down on Saturday 14 ." The doctor then turned to the man and said, "You 15 your wages (周薪, 工资) on Saturday and went to a 16 house and drank too much. You 17 wet and muddy on the way 18 .You tried to dry your clothes 19 the fire when you got home. 20 you had drunk too much, you fell on the fire and burnt your knee. Is that right?" "Yes, sir," said the man. | ||||
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