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Mary: Your bag looks heavy.
Lucy: Twenty storybooks.
Mary: Twenty storybooks? Are they yours?
Lucy: No, they’re my good friend’s.
Mary:
Lucy: Can you guess? He’s friendly and he speaks Chinese well.
Mary: Is he very strong?
Lucy:
Mary:
Lucy: No, Binbin has glasses, but my friend doesn’t.
Mary: Oh, I know!
Lucy: Yes. You’re right.
| A．Who’s your good friend? |
| B．He’s Zhang Peng. |
| C．What’s in it? |
| D．No, he isn’t. |
| E．Is he Wu Binbin? |
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
