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After a heavy snow, Mr Smith’s garden was full of deep snow. He wanted to take his car out. So he paid(付钱) a man to clean the snow. He said to the man, “Clean the path(小路), but don’t throw(扔) any snow in my garden or the street.” Then he went out.
When he came back, the path was clean. He was very happy. Then he opened the garage(车库). What did he see? His car was under the snow.
1．Mr Smith cleaned the snow himself.2．Mr Smith didn’t clean the path.
3．When Mr Smith came back, the path was clean.
4．The man put the snow into the garage.
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
