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(1)Where’s the computer room? A It’s 79 yuan.
(2)Do you have a library? B It’s on the second floor.
(3)How many students are there in your class? C Yes, we do.
(4)What’s the weather like in Beijing? D It’s 12 o’clock.
(5)What time is it? E No,they aren’t.
(6)How much is this skirt? F Forty -five.
(7)Can I help you? G Yes.These shoes are nice.
(8)Whose pants are those? H They’re tomatoes.
(9)What are these? I They are your father’s.
(10)Are those carrots? J It’s cool today.
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
