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Lucy：1. ________
Tom: I lost my pencilbox.
Lucy: Where did you lose it?
Tom: 2. ________
Lucy: 3. ________
Tom: My new pens.
Lucy: 4. ________
Tom: It's blue.
Lucy: Look！I found a pencilbox. 5. ________
Tom: Hey, that's my pencilbox. Thank you.
Lucy: That's OK.
| A. What colour is it? B. On the school bus. C. Is this yours? D. What was in it? E. What's the matter with you, Tom? |
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
