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A: Mum, it's Teacher's Day. I'd like a card for my teacher.
B: OK, here's a green one on the desk.
A: Thank you, Mum. What's the time, please.
B: It's seven now.
A: Oh, I'm late. Where's my school bag?
B: It's on the bed.
A: Mum, shall we go by bus?
B: OK. Let's close the door.
(1)It's Teacher's Day.
(2)His school bag is on the desk.
(3)They go to school by bike.
(4)They go to school at seven.
(5)They go to by bus.
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
