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Li Ming and Tom are good friends. They often play together. At the weekend, Li Ming often visits his grandparents. Sometimes he learns kung fu. Tom often does housework at the weekend. Sometimes he goes to the library. This weekend, they’re going to the museum on Saturday morning. They're going to learn English on Sunday afternoon. They will have a good time!
1．Li Ming often visits his friends at the weekend.2．Tom often does housework at the weekend.
3．They're going to the museum on Saturday morning.
4．Li Ming sometimes goes to the library.
5．They will be happy this weekend!
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
