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 | Li Mei 13 years old China Mary,We are going to say goodbye to our primary school soon. We had a happy time at school. You taught me English. You helped me a lot. You are a wonderful friend. You brought me a lot of joy. I’ll miss you. Best wishes to you! Li Mei |
1．Li Mei taught Mary English. （_______）
2．Mary and Li Mei are good friends. （_______）
3．They had a good time at primary school. （_______）
4．Mary gives best wishes to Li Mei. （_______）
5．Mary brought Li Mei a lot of joy. （_______）
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
