搜索
Long long ago, there was a poor man (穷人). He had an orange tree. On the tree, there were many fine oranges. One of them was very big, it was as big as a ball. The poor man was very happy. He gave it to the king (国王). The king was very glad and he gave the man lots of money.
When a rich man heard of it, he said to himself, “It was only an orange. Why did the king give so much money to him? I would take my gold cup to the king. He would give me more money.”
The next day when the king got the gold cup, he said to the rich man, "What a beautiful cup! I would show you something wonderful. This big orange is for you.”
1．The poor man had an apple tree.2．One of the oranges was as big as a ball.
3．The rich man wanted the big orange.
4．The king thought the big orange was wonderful.
5．The rich man was not happy at last.
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
