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At home
Mum: Betty, your schoolbag is broken!
Betty:
At the Department Store
Mum: This schoolbag is nice.
Betty:
Mum: How about this green one?
Betty: I like this red one better.
Mum: OK. It’s small and light.
Betty:
Mum: How much is it?
Sales assistant: It’s 56 yuan.
Mum:
A.Thank you, Mum. |
B.Yes, it’ll be easy for me to carry. |
C.I’ll buy you a new one. |
D.But it’s heavy. |
E.We’ll take it. |
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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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