(____)1. 酷!太棒了! A. four B. Cool! C. Count D. five
(____)2. 黄色的 A. five B. ruler C. yellow D. three
(____)3. 玻璃球 A. Let’s="let" us B. yellow C. marble D. I’m sorry
(____)4. 数数 A. Let’s="let" us B. I’m sorry C. count D. two
(____)5. 橡皮 A. five B. rubber C. yellow D. pencil
(____)6. 几个,多少 A. ruler B. book C. how many D. marble
(____)7. 三 A. one B. count C. five D. three
(____)8. 没关系 A. count B. two C. I’m sorry D. That’s OK
(____)9. 铅笔 A. ruler B. That’s OK C. count D. pencil
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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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