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Ben: Look! What’s the old（年老的）cat doing?
Amy: It’s eating fish.
Ben: The little cat is playing with a ball.
Amy: It’s lovely. What’s that noise?
Ben: Those boys are making a plane. The girls are making a doll（玩具娃娃）.
Amy: Let’s make a car.
Ben: Good idea.
1．The old cat is eating fish. （
2．The little cat is playing with a ball. （
3．The boys are making a plane. （
4．The girls are making a cake. （
5．Ben and Amy will make a car. （
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
