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There is a football match between Class 3 and Class 4. Helen wants to watch it with her classmates, but she doesn’t know the time and the place. So she asks her head teacher Miss White for more information (信息). Miss White gives Helen a notice about the match.
A football match Class 3 vs Class 4 Time: 2: 00 pm. -4: 00 pm., Friday Place: the school playground |
1．There’s a basketball match on Friday.
2．The match begins at four o’clock in the afternoon.
3．Helen and her family want to watch the match.
4．The students can go to the playground to watch the match.
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
