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Jim: What's that?
Lewis: It's a bear.
Jim: It is so cute.
Lewis: Yes, it is. It has a big body.
Jim: Look! What's this? Is it a tiger?
Lewis: No, it isn't. It's a pig.
Jim: It's fat. It has a big nose and two big ears.
Lewis: Yes, it has two small eyes.
1．That is a bear. （
2．The bear has a small body. （
3．This is a tiger.（
4．The pig is fat.（
5．The pig has two small ears and big eyes.（
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
