问题
填空题
| 已知两个函数f（x）和g（x）的定义域和值域都是集合1，2，3，其定义如下表： 表1：
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答案
由题意得，当x=1时，g[f（1）]=g[2]=2不满足方程；
当x=2时，g[f（2）]=g[3]=1不满足方程；
x=3，g[f（3）]=g[1]=3满足方程，是方程的解．
故答案为：{3}
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| 已知两个函数f（x）和g（x）的定义域和值域都是集合1，2，3，其定义如下表： 表1：
|
由题意得，当x=1时，g[f（1）]=g[2]=2不满足方程；
当x=2时，g[f（2）]=g[3]=1不满足方程；
x=3，g[f（3）]=g[1]=3满足方程，是方程的解．
故答案为：{3}
| 完形填空。 | ||||
| Bob is 1 American boy. He studies in a high school in Washington. He is fourteen years old and he is in Grade 8 now. Bob was born 2 1984 in New York. He started school at the age of six. He studied in a primary school in New York for six years 3 he moved to Washington 4 his family. He 5 in this high school for about two years. Bob's favorite subject is biology and he is 6 in Chinese herbs. He wishes 7 to China 8 Chinese medicine 9 he finished high school. He wants to 10 a doctor of Chinese medicine.
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