(1)ew qw ad
(2)air fgi jkl
(3)MWF BQR FSX
(4)30[[QOrDeR]]16
(5)6349 6579 6538
(6)RLPD STVA HGKA
(7)Mike, this is our . It’s very big.
classroom board window
(8)—How many do you have , Sarah? –I have 23.
picture-books Chinese books story-books
(9)He has black hair and big eyes.
long short quiet
(10)My is a baseball player. He’s very strong.
father uncle brother
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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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