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Yesterday, little Tom was free. He wasn’t at school. He was playing football in front of the house. Then a salesman (销售员) came. He asked Tom: “Hello, boy! Is your mother at home?” Tom answered: “Yes.” Then the salesman rang (按) the doorbell (门铃). No one answered. The man asked Tom; “Nobody is in?” “Right” Tom answered: “But it is not my house.”
1．Little Tom was playing in front of his house. （____）
2．Tom’s mother was at home. （____）
3．The salesman asked Tom: “Is your mother in?” （____）
4．Tom’s was clever. （____）
5．The house was Tom’s house. （____）
6．___________________________________________________
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
