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Boy: Mom, look at the sweater. It’s 1. _____（色彩鲜艳的）.
Mom: Yes, 2. ____. It’s very 3. ____ .
Assistant: 4. ____.
Mom: How much is the 5. _____
Assistant: It’s eighty yuan.
Mom: It’s too 6. ____.
Boy: OK, let’s go home.
Mom: Sorry, my boy.
| A．expensive | B．Can I help you? | C．it is |
| D．pretty E. colorful F. sweater |
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
