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Tom: Mum! 1.
Mum: It's half past six. It's time to get up. 2.
Tom: But today is Saturday. We don't go to school.
Mum: Oh, sorry. 3.
Tom: It's Daming's birthday today 4.
Mum: Good! 5.
Tom: Thank you, Mum
A. You will be late for school.
B. You will have a good time.
C. What time is it now?
D. What will you do today?
E. I will buy a present for him.
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
