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One day Tom talked to his friends, “I’m going to be on holidays in Beijing. But I can’t speak Chinese, so I’m going to have evening classes and have Chinese lessons there for a month.” Soon his holidays came and he went to China happily. After he came back, his friend asked him, “Do you have any trouble(麻烦) with your Chinese when you are in Beijing, Tom?” “No, I don’t.” answered Tom, “But the Chinese do!”
1．Tom will go to Beijing on holidays.2．Tom studied Chinese for a month.
3．He went to Beijing happily.
4．Tom didn’t have any trouble with his Chinese.
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
