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I have some pen friends from different countries and areas (地区).Tingting is from Hong Kong. She is 13. She can write emails and stories in English. She likes music and painting. Mike is from Australia. He is 12. He can sing English songs. He likes dancing and playing basketball. Jack is from New York. He is 11. He likes Chinese. He likes playing computer games.
1．I have two pen friends. （_____）2．Tingting is from Beijing. （_____）
3．Tingting can't write emails or stories in English. （_____）
4．Mike likes dancing and playing basketball. （_____）
5．Jack is 13. （_____）
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
