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Last Saturday was Linda’s birthday. Betty, Li Ping and I went to her home to have lunch. We bought some gifts for her. I bought a new doll for her. Betty bought a birthday cake for her. Li Ping bought a box of crayons for her. We ate some delicious food in her home. Then we watched TV at 2:00 in the afternoon. At 4 o’clock we went to the park to fly a kite. We had fun that day. We all said “Happy birthday.” to Linda. Linda was so happy.
1．Last Sunday was Linda’s birthday. （
2．We all had dinner in her home. （
3．We watched TV at two in the afternoon. （
4．At 4 o’clock we went to the zoo to fly a kite. （
5．We all said “Happy birthday.” to Linda. （
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
