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This is my friend, Jim. He is an English boy. He is twelve. He is in Class Three, Grade One. He is Number Two in Row Five. My name is Dong Cheng. I am a Chinese boy. I am twelve, too. I am in Class One. I am Number One in Row One.
1．Jim is an American boy. （_____）2．Dong Cheng is an English boy. （_____）
3．Jim is in Class Three, Grade One. （_____）
4．Dong Cheng is Number One in Row One. （_____）
5．Dong Cheng and Jim are brothers. （_____）
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
