Helen: It’s a clock.
David: What time is it now?
Helen: It’s three o’clock in the afternoon.
David: Oh! It’s time for music class.
Helen: Let’s go to the music room. We can sing and dance there.
David: Great! Let’s go!
1.It’s in the _________. ( )
A.afternoon | B.evening | C.morning |
A.picture | B.map | C.clock |
A.3:00 p.m | B.3:00 a.m | C.5:00 p.m |
A.lunch | B.PE class | C.music class |
A.read books | B.play football | C.sing and dance |
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同类型试题
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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
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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
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