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Tim’s shoes are so dirty. His mother says to him, “Your shoes are so dirty. You must clean them.” “But I cleaned them yesterday,” says Tim.
“They are dirty now. You must clean them again.”
“I don’t want to clean them today. If I clean them today, they’ll be dirty again tomorrow.”
“All right,” his mother says.
In the afternoon, Tim comes back home from school. He is so hungry. He asks his mother to give him something to eat. “You had breakfast in the morning and you had lunch at noon,” Tim’s mother says.
“But I’m hungry again,” cries Tim.
“Oh, hungry again? But if I give you something to eat today, you will be hungry again tomorrow.”
1．Tim’s shoes are very dirty.2．Tim doesn’t want to clean his shoes today.
3．Tim comes back from school in the evening.
4．Tim’s mother gives him something to eat.
5．Tim is a lazy boy.
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
