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Sarah: Hello, John. I have a new schoolbag.
John: Wow! It’s a dog! It’s blue. It’s fat! What’s in it?
Sarah: A Chinese book, a notebook and five storybooks.
John: Five?
Sarah: Yes. They’re my friend’s.
John: Who is your friend?
Sarah: Guess. He is thin and quiet. He has glasses and small eyes.
John: Is he Wu Yifan?
Sarah: Yes, you’re right!
1．Sarah has a Chinese book, a notebook and six storybooks.
2．Sarah has a new schoolbag.
3．The schoolbag is blue.
4．John has glasses and small eyes.
5．Wu Yifan is thin and quiet.
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
