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Bob Pearson is an old man. He has two big houses and a new car. He has no wife, but he is a father of four children. He has two sons and two daughters. One son is from England. His name is Bill. The other son is from America. His name is Mike. One of his daughters is from China. Her name is Lanlan. The other one is from Japan. Her name is Yumi.
Bob Pearson is not the children's real father, but he loves them very much. The children love their "father" too. Bob Pearson buys many toys for the children. He gives different toys to different children. The boys like playing with toy cars. The girls like playing with dolls and toy animals. Bob Pearson is the children's father, and he is their good friend too.
1．Bob Pearson has six children.2．Bob Pearson is a nice young man.
3．Yumi is a Japanese girl.
4．Bill and Mike are from England.
5．Yumi and Lanlan like playing with toy animals and balls.
同类型试题
y = sin x， x∈R， y∈[–1，1]，周期为2π，函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x， x∈[–1，1]， y∈[–π/2，π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
y = sin x， x∈R， y∈[–1，1]，周期为2π，函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x， x∈[–1，1]， y∈[–π/2，π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
