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B:
A: It’s red.
B: Is it all (全部) red?
A:
B:
A: A maths book, an English book and some candies.
B: OK, let me see.
A: No, this schoolbag is big.
B: How about this one?
A: Yes, it is. Thank you very much.
| A．Is this your schoolbag? |
| B．What colour is your schoolbag? |
| C．What’s in it? |
| D．My schoolbag is small. |
| E．No, it’s red and yellow. |
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
