(1)We have six classes in a day .
(2)We play hockey on the field .
(3)They can watch TV at home .
(4)We play the violin after school .
(5)There are three girls in the room .
(6)I can buy shoes in a shop .
(7)We can go to the park next week .
(8)The watch is seventy-two yuan .
(9)I like science field trip very much .
(10)They do exercises at ten .
(11)My foot hurts .
(12)The Animal Hospital is over there .
(13)I can make a paper plane .
(14)That’s a duck in English .
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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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