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（1） Sam fell off his bike .
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（2） I played computer games .I went to bed late .
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（3） What did you do on the tree ?
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（4） Don’t jump on the bed .
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（5） There’s glass in the sand .
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（6） You had a good time .!
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（7） We saw some beautiful flowers and plants .
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（8） I am six now . I will be seven next year .
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（9） Children of the world are all like one .
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（10） Look at the man beside the bicycle . He invented this bicycle . He was English .
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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
