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Mike: What’s this, Jack?
Jack: It’s my playhouse（玩具屋）. Come in, Mike.
Mike: Are these toys?
Jack: Yes, they are all new. Look, I have ten cars.
Mike: They are beautiful. How many balls do you have?
Jack: Let’s count（数数）.
Mike: One, two, three ... six.
Jack: Do you like your new toys?
Mike: Yes, I do. And I like my old （旧的）toys, too. They are my birthday presents（礼物）.
( ) 1. Jack has nine cars.
( ) 2. Jack’s toys are new.
( ) 3. Jack has six balls.
( ) 4. Jack and Mike like the toys.
( ) 5. Mike likes his old toys, too.
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
