(1)A: _______that ________?
B: Which boy?
A: _________ _________ in the shirt.
B: Sorry, I don’t know.
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(2)A: What’s __________ job?
B: He’s a ______________.
A: How old is he?
B: ___________ ___________.
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(3)A: Can I help you?
B: I’d like some peaches.
A: _________ __________ kilos?
B: Three kilos, please.
_________ _________ are they?
A: Six yuan.
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(4)A: What’s in the bookcase?
B: _________ __________ some books.
A: ________ is the football?
B: It’s _________ the bookcase.
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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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