( ) 1. A. We should eat healthy food every day.
B. We should do exercise every day.
( ) 2. A. He is a 5-year-old boy. B.The boy is 5 years old.
( ) 3. A. At night, he sometimes read newspaper.
B.At night, he sometimes watches TV.
( ) 4. A. I have rice and chicken for lunch.
B. I have rice and fish for lunch.
( ) 5. A. Listening to music is good for us.
B. Jogging is good for us.
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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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