Bingbing is a naughty boy. It’s a fine day. He plays in the park. Don’t pick the flowers. But he picks them. Don’t litter (扔垃圾). But he litters. A dog is sleeping on the ground. Don’t touch the dog. But he touches it. The dog wakes up. It runs after him. It wants to bite (咬) him. Bingbing is afraid of (害怕) the dog. He cries, “Help me! Help me!”
1.Bingbing is ________.( )
A. good B. quiet C. naughty
2.He picks ________.( )
A. the flowers B. the apples C. the sticks
3.He throws the rubbish (垃圾) ________.( )
A. on the ground B. in the rubbish bin C. in the bed
4.He touches ________.( )
A. the bird B. the dog C. the cat
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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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