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Dear Oscar, I visited my grandma last Saturday. It was her birthday. In the morning, I sang songs and played the guitar for her. Then we cooked noodles together and ate noodles for lunch. On Sunday morning, I played football with my friends. In the afternoon, I washed my clothes and cleaned my room.
Yours,
Jordan
1．When did the author (作者) visit his grandma?______________________________
2．What did the author do on Saturday morning?
______________________________
3．Did the author cook noodles together with his grandma?
______________________________
4．Did the author wash his clothes and clean his room on Sunday morning?
______________________________
5．Who wrote the letter?
______________________________
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
